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Finding the Fourth Proportional to 284,574.14, 392,720.24 and 157,257.94

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Solution

The fourth proportional to 284,574.14, 392,720.24 and 157,257.94 is: 217,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,574.14 : 392,720.24 = 157,257.94 : x
  2. Step 2: Convert to fraction form
    284,574.14/392,720.24 = 157,257.94/x
  3. Step 3: Cross multiply
    284,574.14x = 392,720.24 × 157,257.94
  4. Step 4: Simplify right side
    284,574.14x = 61,758,375,938.71
  5. Step 5: Solve for x
    x = 61,758,375,938.71/284,574.14
  6. Step 6: Final answer
    x = 217,020.34

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