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Finding the Fourth Proportional to 260,938.74, 391,450.65 and 92,422.53

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Solution

The fourth proportional to 260,938.74, 391,450.65 and 92,422.53 is: 138,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,938.74 : 391,450.65 = 92,422.53 : x
  2. Step 2: Convert to fraction form
    260,938.74/391,450.65 = 92,422.53/x
  3. Step 3: Cross multiply
    260,938.74x = 391,450.65 × 92,422.53
  4. Step 4: Simplify right side
    260,938.74x = 36,178,859,443.14
  5. Step 5: Solve for x
    x = 36,178,859,443.14/260,938.74
  6. Step 6: Final answer
    x = 138,648.86

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