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Finding the Fourth Proportional to 84,872.12, 117,114.54 and 49,056.44

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Solution

The fourth proportional to 84,872.12, 117,114.54 and 49,056.44 is: 67,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.12 : 117,114.54 = 49,056.44 : x
  2. Step 2: Convert to fraction form
    84,872.12/117,114.54 = 49,056.44/x
  3. Step 3: Cross multiply
    84,872.12x = 117,114.54 × 49,056.44
  4. Step 4: Simplify right side
    84,872.12x = 5,745,222,404.64
  5. Step 5: Solve for x
    x = 5,745,222,404.64/84,872.12
  6. Step 6: Final answer
    x = 67,692.69

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