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Finding the Fourth Proportional to 86,414.80, 129,622.20 and 37,166.80

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Solution

The fourth proportional to 86,414.80, 129,622.20 and 37,166.80 is: 55,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.80 : 129,622.20 = 37,166.80 : x
  2. Step 2: Convert to fraction form
    86,414.80/129,622.20 = 37,166.80/x
  3. Step 3: Cross multiply
    86,414.80x = 129,622.20 × 37,166.80
  4. Step 4: Simplify right side
    86,414.80x = 4,817,642,382.96
  5. Step 5: Solve for x
    x = 4,817,642,382.96/86,414.80
  6. Step 6: Final answer
    x = 55,750.20

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