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Finding the Fourth Proportional to 123,787.74, 185,651.73 and 57,163.83

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Solution

The fourth proportional to 123,787.74, 185,651.73 and 57,163.83 is: 85,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787.74 : 185,651.73 = 57,163.83 : x
  2. Step 2: Convert to fraction form
    123,787.74/185,651.73 = 57,163.83/x
  3. Step 3: Cross multiply
    123,787.74x = 185,651.73 × 57,163.83
  4. Step 4: Simplify right side
    123,787.74x = 10,612,563,932.93
  5. Step 5: Solve for x
    x = 10,612,563,932.93/123,787.74
  6. Step 6: Final answer
    x = 85,731.95

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