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Finding the Fourth Proportional to 407,463.36, 611,199.18 and 123,156.20

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Solution

The fourth proportional to 407,463.36, 611,199.18 and 123,156.20 is: 184,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,463.36 : 611,199.18 = 123,156.20 : x
  2. Step 2: Convert to fraction form
    407,463.36/611,199.18 = 123,156.20/x
  3. Step 3: Cross multiply
    407,463.36x = 611,199.18 × 123,156.20
  4. Step 4: Simplify right side
    407,463.36x = 75,272,968,451.92
  5. Step 5: Solve for x
    x = 75,272,968,451.92/407,463.36
  6. Step 6: Final answer
    x = 184,735.55

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