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Finding the Fourth Proportional to 458,882.91, 688,321.62 and 178,400.16

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Solution

The fourth proportional to 458,882.91, 688,321.62 and 178,400.16 is: 267,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,882.91 : 688,321.62 = 178,400.16 : x
  2. Step 2: Convert to fraction form
    458,882.91/688,321.62 = 178,400.16/x
  3. Step 3: Cross multiply
    458,882.91x = 688,321.62 × 178,400.16
  4. Step 4: Simplify right side
    458,882.91x = 122,796,687,139.46
  5. Step 5: Solve for x
    x = 122,796,687,139.46/458,882.91
  6. Step 6: Final answer
    x = 267,599.17

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