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Finding the Fourth Proportional to 92,406.60, 138,512.70 and 52,878.60

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Solution

The fourth proportional to 92,406.60, 138,512.70 and 52,878.60 is: 79,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,406.60 : 138,512.70 = 52,878.60 : x
  2. Step 2: Convert to fraction form
    92,406.60/138,512.70 = 52,878.60/x
  3. Step 3: Cross multiply
    92,406.60x = 138,512.70 × 52,878.60
  4. Step 4: Simplify right side
    92,406.60x = 7,324,357,658.22
  5. Step 5: Solve for x
    x = 7,324,357,658.22/92,406.60
  6. Step 6: Final answer
    x = 79,262.28

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