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Finding the Fourth Proportional to 102,590.10, 153,885.15 and 60,426.90

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Solution

The fourth proportional to 102,590.10, 153,885.15 and 60,426.90 is: 90,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,590.10 : 153,885.15 = 60,426.90 : x
  2. Step 2: Convert to fraction form
    102,590.10/153,885.15 = 60,426.90/x
  3. Step 3: Cross multiply
    102,590.10x = 153,885.15 × 60,426.90
  4. Step 4: Simplify right side
    102,590.10x = 9,298,802,570.54
  5. Step 5: Solve for x
    x = 9,298,802,570.54/102,590.10
  6. Step 6: Final answer
    x = 90,640.35

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