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Finding the Fourth Proportional to 49,560.54, 74,340.15 and 12,120.92

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Solution

The fourth proportional to 49,560.54, 74,340.15 and 12,120.92 is: 18,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,560.54 : 74,340.15 = 12,120.92 : x
  2. Step 2: Convert to fraction form
    49,560.54/74,340.15 = 12,120.92/x
  3. Step 3: Cross multiply
    49,560.54x = 74,340.15 × 12,120.92
  4. Step 4: Simplify right side
    49,560.54x = 901,071,010.94
  5. Step 5: Solve for x
    x = 901,071,010.94/49,560.54
  6. Step 6: Final answer
    x = 18,181.22

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