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Finding the Fourth Proportional to 89,452.40, 134,170.86 and 30,286.76

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Solution

The fourth proportional to 89,452.40, 134,170.86 and 30,286.76 is: 45,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.40 : 134,170.86 = 30,286.76 : x
  2. Step 2: Convert to fraction form
    89,452.40/134,170.86 = 30,286.76/x
  3. Step 3: Cross multiply
    89,452.40x = 134,170.86 × 30,286.76
  4. Step 4: Simplify right side
    89,452.40x = 4,063,600,635.81
  5. Step 5: Solve for x
    x = 4,063,600,635.81/89,452.40
  6. Step 6: Final answer
    x = 45,427.52

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