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Finding the Fourth Proportional to 89,682.80, 123,760.91 and 49,396.64

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Solution

The fourth proportional to 89,682.80, 123,760.91 and 49,396.64 is: 68,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,682.80 : 123,760.91 = 49,396.64 : x
  2. Step 2: Convert to fraction form
    89,682.80/123,760.91 = 49,396.64/x
  3. Step 3: Cross multiply
    89,682.80x = 123,760.91 × 49,396.64
  4. Step 4: Simplify right side
    89,682.80x = 6,113,372,622.03
  5. Step 5: Solve for x
    x = 6,113,372,622.03/89,682.80
  6. Step 6: Final answer
    x = 68,166.62

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