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Finding the Fourth Proportional to 519,915.52, 779,873.28 and 187,491.52

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Solution

The fourth proportional to 519,915.52, 779,873.28 and 187,491.52 is: 281,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,915.52 : 779,873.28 = 187,491.52 : x
  2. Step 2: Convert to fraction form
    519,915.52/779,873.28 = 187,491.52/x
  3. Step 3: Cross multiply
    519,915.52x = 779,873.28 × 187,491.52
  4. Step 4: Simplify right side
    519,915.52x = 146,219,626,674.59
  5. Step 5: Solve for x
    x = 146,219,626,674.59/519,915.52
  6. Step 6: Final answer
    x = 281,237.28

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