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Finding the Fourth Proportional to 81,744.40, 122,551.80 and 44,808.40

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Solution

The fourth proportional to 81,744.40, 122,551.80 and 44,808.40 is: 67,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,744.40 : 122,551.80 = 44,808.40 : x
  2. Step 2: Convert to fraction form
    81,744.40/122,551.80 = 44,808.40/x
  3. Step 3: Cross multiply
    81,744.40x = 122,551.80 × 44,808.40
  4. Step 4: Simplify right side
    81,744.40x = 5,491,350,075.12
  5. Step 5: Solve for x
    x = 5,491,350,075.12/81,744.40
  6. Step 6: Final answer
    x = 67,177.08

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