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Finding the Fourth Proportional to 363,407.20, 545,110.80 and 361,074.40

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Solution

The fourth proportional to 363,407.20, 545,110.80 and 361,074.40 is: 541,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,407.20 : 545,110.80 = 361,074.40 : x
  2. Step 2: Convert to fraction form
    363,407.20/545,110.80 = 361,074.40/x
  3. Step 3: Cross multiply
    363,407.20x = 545,110.80 × 361,074.40
  4. Step 4: Simplify right side
    363,407.20x = 196,825,555,043.52
  5. Step 5: Solve for x
    x = 196,825,555,043.52/363,407.20
  6. Step 6: Final answer
    x = 541,611.60

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