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Finding the Fourth Proportional to 56,682.32, 85,176.92 and 30,405.92

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Solution

The fourth proportional to 56,682.32, 85,176.92 and 30,405.92 is: 45,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,682.32 : 85,176.92 = 30,405.92 : x
  2. Step 2: Convert to fraction form
    56,682.32/85,176.92 = 30,405.92/x
  3. Step 3: Cross multiply
    56,682.32x = 85,176.92 × 30,405.92
  4. Step 4: Simplify right side
    56,682.32x = 2,589,882,615.37
  5. Step 5: Solve for x
    x = 2,589,882,615.37/56,682.32
  6. Step 6: Final answer
    x = 45,691.19

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