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Finding the Fourth Proportional to 369,540.80, 554,311.20 and 366,041.60

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Solution

The fourth proportional to 369,540.80, 554,311.20 and 366,041.60 is: 549,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,540.80 : 554,311.20 = 366,041.60 : x
  2. Step 2: Convert to fraction form
    369,540.80/554,311.20 = 366,041.60/x
  3. Step 3: Cross multiply
    369,540.80x = 554,311.20 × 366,041.60
  4. Step 4: Simplify right side
    369,540.80x = 202,900,958,545.92
  5. Step 5: Solve for x
    x = 202,900,958,545.92/369,540.80
  6. Step 6: Final answer
    x = 549,062.40

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