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Finding the Fourth Proportional to 91,751.10, 137,497.05 and 56,586.30

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Solution

The fourth proportional to 91,751.10, 137,497.05 and 56,586.30 is: 84,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,751.10 : 137,497.05 = 56,586.30 : x
  2. Step 2: Convert to fraction form
    91,751.10/137,497.05 = 56,586.30/x
  3. Step 3: Cross multiply
    91,751.10x = 137,497.05 × 56,586.30
  4. Step 4: Simplify right side
    91,751.10x = 7,780,449,320.42
  5. Step 5: Solve for x
    x = 7,780,449,320.42/91,751.10
  6. Step 6: Final answer
    x = 84,799.52

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