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Finding the Fourth Proportional to 92,049.75, 138,076.31 and 28,868.46

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Solution

The fourth proportional to 92,049.75, 138,076.31 and 28,868.46 is: 43,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,049.75 : 138,076.31 = 28,868.46 : x
  2. Step 2: Convert to fraction form
    92,049.75/138,076.31 = 28,868.46/x
  3. Step 3: Cross multiply
    92,049.75x = 138,076.31 × 28,868.46
  4. Step 4: Simplify right side
    92,049.75x = 3,986,050,287.84
  5. Step 5: Solve for x
    x = 3,986,050,287.84/92,049.75
  6. Step 6: Final answer
    x = 43,303.22

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