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Finding the Fourth Proportional to 91,922.20, 137,883.30 and 56,930.20

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Solution

The fourth proportional to 91,922.20, 137,883.30 and 56,930.20 is: 85,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.20 : 137,883.30 = 56,930.20 : x
  2. Step 2: Convert to fraction form
    91,922.20/137,883.30 = 56,930.20/x
  3. Step 3: Cross multiply
    91,922.20x = 137,883.30 × 56,930.20
  4. Step 4: Simplify right side
    91,922.20x = 7,849,723,845.66
  5. Step 5: Solve for x
    x = 7,849,723,845.66/91,922.20
  6. Step 6: Final answer
    x = 85,395.30

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