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Finding the Fourth Proportional to 45,126.46, 67,689.83 and 15,543.91

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Solution

The fourth proportional to 45,126.46, 67,689.83 and 15,543.91 is: 23,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.46 : 67,689.83 = 15,543.91 : x
  2. Step 2: Convert to fraction form
    45,126.46/67,689.83 = 15,543.91/x
  3. Step 3: Cross multiply
    45,126.46x = 67,689.83 × 15,543.91
  4. Step 4: Simplify right side
    45,126.46x = 1,052,164,625.44
  5. Step 5: Solve for x
    x = 1,052,164,625.44/45,126.46
  6. Step 6: Final answer
    x = 23,315.91

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