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Finding the Fourth Proportional to 260,647.45, 391,003.38 and 92,133.01

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Solution

The fourth proportional to 260,647.45, 391,003.38 and 92,133.01 is: 138,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,647.45 : 391,003.38 = 92,133.01 : x
  2. Step 2: Convert to fraction form
    260,647.45/391,003.38 = 92,133.01/x
  3. Step 3: Cross multiply
    260,647.45x = 391,003.38 × 92,133.01
  4. Step 4: Simplify right side
    260,647.45x = 36,024,318,319.57
  5. Step 5: Solve for x
    x = 36,024,318,319.57/260,647.45
  6. Step 6: Final answer
    x = 138,210.90

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