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Finding the Fourth Proportional to 83,898.60, 115,780.08 and 46,172.88

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Solution

The fourth proportional to 83,898.60, 115,780.08 and 46,172.88 is: 63,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,898.60 : 115,780.08 = 46,172.88 : x
  2. Step 2: Convert to fraction form
    83,898.60/115,780.08 = 46,172.88/x
  3. Step 3: Cross multiply
    83,898.60x = 115,780.08 × 46,172.88
  4. Step 4: Simplify right side
    83,898.60x = 5,345,899,740.23
  5. Step 5: Solve for x
    x = 5,345,899,740.23/83,898.60
  6. Step 6: Final answer
    x = 63,718.58

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