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Finding the Fourth Proportional to 491,310.80, 736,883.76 and 136,360.88

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Solution

The fourth proportional to 491,310.80, 736,883.76 and 136,360.88 is: 204,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,310.80 : 736,883.76 = 136,360.88 : x
  2. Step 2: Convert to fraction form
    491,310.80/736,883.76 = 136,360.88/x
  3. Step 3: Cross multiply
    491,310.80x = 736,883.76 × 136,360.88
  4. Step 4: Simplify right side
    491,310.80x = 100,482,117,971.31
  5. Step 5: Solve for x
    x = 100,482,117,971.31/491,310.80
  6. Step 6: Final answer
    x = 204,518.44

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