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Finding the Fourth Proportional to 53,906.56, 80,810.16 and 49,478.56

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Solution

The fourth proportional to 53,906.56, 80,810.16 and 49,478.56 is: 74,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.56 : 80,810.16 = 49,478.56 : x
  2. Step 2: Convert to fraction form
    53,906.56/80,810.16 = 49,478.56/x
  3. Step 3: Cross multiply
    53,906.56x = 80,810.16 × 49,478.56
  4. Step 4: Simplify right side
    53,906.56x = 3,998,370,350.17
  5. Step 5: Solve for x
    x = 3,998,370,350.17/53,906.56
  6. Step 6: Final answer
    x = 74,172.24

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