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Finding the Fourth Proportional to 191,117.52, 286,539.60 and 89,858.76

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Solution

The fourth proportional to 191,117.52, 286,539.60 and 89,858.76 is: 134,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,117.52 : 286,539.60 = 89,858.76 : x
  2. Step 2: Convert to fraction form
    191,117.52/286,539.60 = 89,858.76/x
  3. Step 3: Cross multiply
    191,117.52x = 286,539.60 × 89,858.76
  4. Step 4: Simplify right side
    191,117.52x = 25,748,093,146.90
  5. Step 5: Solve for x
    x = 25,748,093,146.90/191,117.52
  6. Step 6: Final answer
    x = 134,723.88

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