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Finding the Fourth Proportional to 317,529.78, 438,196.06 and 174,302.88

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Solution

The fourth proportional to 317,529.78, 438,196.06 and 174,302.88 is: 240,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,529.78 : 438,196.06 = 174,302.88 : x
  2. Step 2: Convert to fraction form
    317,529.78/438,196.06 = 174,302.88/x
  3. Step 3: Cross multiply
    317,529.78x = 438,196.06 × 174,302.88
  4. Step 4: Simplify right side
    317,529.78x = 76,378,835,262.65
  5. Step 5: Solve for x
    x = 76,378,835,262.65/317,529.78
  6. Step 6: Final answer
    x = 240,540.70

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