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Finding the Fourth Proportional to 585,640.80, 878,461.20 and 164,930.40

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Solution

The fourth proportional to 585,640.80, 878,461.20 and 164,930.40 is: 247,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,640.80 : 878,461.20 = 164,930.40 : x
  2. Step 2: Convert to fraction form
    585,640.80/878,461.20 = 164,930.40/x
  3. Step 3: Cross multiply
    585,640.80x = 878,461.20 × 164,930.40
  4. Step 4: Simplify right side
    585,640.80x = 144,884,957,100.48
  5. Step 5: Solve for x
    x = 144,884,957,100.48/585,640.80
  6. Step 6: Final answer
    x = 247,395.60

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