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Finding the Fourth Proportional to 518,907.20, 778,287.90 and 163,957.10

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Solution

The fourth proportional to 518,907.20, 778,287.90 and 163,957.10 is: 245,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,907.20 : 778,287.90 = 163,957.10 : x
  2. Step 2: Convert to fraction form
    518,907.20/778,287.90 = 163,957.10/x
  3. Step 3: Cross multiply
    518,907.20x = 778,287.90 × 163,957.10
  4. Step 4: Simplify right side
    518,907.20x = 127,605,827,049.09
  5. Step 5: Solve for x
    x = 127,605,827,049.09/518,907.20
  6. Step 6: Final answer
    x = 245,912.62

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