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Finding the Fourth Proportional to 74,248.72, 111,361.56 and 21,652.72

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Solution

The fourth proportional to 74,248.72, 111,361.56 and 21,652.72 is: 32,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.72 : 111,361.56 = 21,652.72 : x
  2. Step 2: Convert to fraction form
    74,248.72/111,361.56 = 21,652.72/x
  3. Step 3: Cross multiply
    74,248.72x = 111,361.56 × 21,652.72
  4. Step 4: Simplify right side
    74,248.72x = 2,411,280,677.44
  5. Step 5: Solve for x
    x = 2,411,280,677.44/74,248.72
  6. Step 6: Final answer
    x = 32,475.72

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