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Finding the Fourth Proportional to 7,932.78, 10,947.24 and 4,395.92

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Solution

The fourth proportional to 7,932.78, 10,947.24 and 4,395.92 is: 6,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.78 : 10,947.24 = 4,395.92 : x
  2. Step 2: Convert to fraction form
    7,932.78/10,947.24 = 4,395.92/x
  3. Step 3: Cross multiply
    7,932.78x = 10,947.24 × 4,395.92
  4. Step 4: Simplify right side
    7,932.78x = 48,123,136.52
  5. Step 5: Solve for x
    x = 48,123,136.52/7,932.78
  6. Step 6: Final answer
    x = 6,066.36

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