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Finding the Fourth Proportional to 284,547.08, 392,729.28 and 187,580.72

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Solution

The fourth proportional to 284,547.08, 392,729.28 and 187,580.72 is: 258,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,547.08 : 392,729.28 = 187,580.72 : x
  2. Step 2: Convert to fraction form
    284,547.08/392,729.28 = 187,580.72/x
  3. Step 3: Cross multiply
    284,547.08x = 392,729.28 × 187,580.72
  4. Step 4: Simplify right side
    284,547.08x = 73,668,441,107.48
  5. Step 5: Solve for x
    x = 73,668,441,107.48/284,547.08
  6. Step 6: Final answer
    x = 258,897.20

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