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Finding the Fourth Proportional to 74,528.30, 111,753.98 and 21,930.96

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Solution

The fourth proportional to 74,528.30, 111,753.98 and 21,930.96 is: 32,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.30 : 111,753.98 = 21,930.96 : x
  2. Step 2: Convert to fraction form
    74,528.30/111,753.98 = 21,930.96/x
  3. Step 3: Cross multiply
    74,528.30x = 111,753.98 × 21,930.96
  4. Step 4: Simplify right side
    74,528.30x = 2,450,872,065.22
  5. Step 5: Solve for x
    x = 2,450,872,065.22/74,528.30
  6. Step 6: Final answer
    x = 32,885.12

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