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Finding the Fourth Proportional to 492,086.20, 738,129.30 and 373,113.40

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Solution

The fourth proportional to 492,086.20, 738,129.30 and 373,113.40 is: 559,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,086.20 : 738,129.30 = 373,113.40 : x
  2. Step 2: Convert to fraction form
    492,086.20/738,129.30 = 373,113.40/x
  3. Step 3: Cross multiply
    492,086.20x = 738,129.30 × 373,113.40
  4. Step 4: Simplify right side
    492,086.20x = 275,405,932,762.62
  5. Step 5: Solve for x
    x = 275,405,932,762.62/492,086.20
  6. Step 6: Final answer
    x = 559,670.10

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