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Finding the Fourth Proportional to 472,553.72, 652,124.28 and 257,688.26

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Solution

The fourth proportional to 472,553.72, 652,124.28 and 257,688.26 is: 355,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,553.72 : 652,124.28 = 257,688.26 : x
  2. Step 2: Convert to fraction form
    472,553.72/652,124.28 = 257,688.26/x
  3. Step 3: Cross multiply
    472,553.72x = 652,124.28 × 257,688.26
  4. Step 4: Simplify right side
    472,553.72x = 168,044,767,756.33
  5. Step 5: Solve for x
    x = 168,044,767,756.33/472,553.72
  6. Step 6: Final answer
    x = 355,609.88

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