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Finding the Fourth Proportional to 78,545.54, 117,880.68 and 41,117.06

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Solution

The fourth proportional to 78,545.54, 117,880.68 and 41,117.06 is: 61,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,545.54 : 117,880.68 = 41,117.06 : x
  2. Step 2: Convert to fraction form
    78,545.54/117,880.68 = 41,117.06/x
  3. Step 3: Cross multiply
    78,545.54x = 117,880.68 × 41,117.06
  4. Step 4: Simplify right side
    78,545.54x = 4,846,906,992.40
  5. Step 5: Solve for x
    x = 4,846,906,992.40/78,545.54
  6. Step 6: Final answer
    x = 61,708.24

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