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Finding the Fourth Proportional to 98,479.96, 135,886.32 and 58,188.12

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Solution

The fourth proportional to 98,479.96, 135,886.32 and 58,188.12 is: 80,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,479.96 : 135,886.32 = 58,188.12 : x
  2. Step 2: Convert to fraction form
    98,479.96/135,886.32 = 58,188.12/x
  3. Step 3: Cross multiply
    98,479.96x = 135,886.32 × 58,188.12
  4. Step 4: Simplify right side
    98,479.96x = 7,906,969,494.52
  5. Step 5: Solve for x
    x = 7,906,969,494.52/98,479.96
  6. Step 6: Final answer
    x = 80,290.14

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