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Finding the Fourth Proportional to 423,663.05, 635,492.43 and 199,022.30

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Solution

The fourth proportional to 423,663.05, 635,492.43 and 199,022.30 is: 298,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,663.05 : 635,492.43 = 199,022.30 : x
  2. Step 2: Convert to fraction form
    423,663.05/635,492.43 = 199,022.30/x
  3. Step 3: Cross multiply
    423,663.05x = 635,492.43 × 199,022.30
  4. Step 4: Simplify right side
    423,663.05x = 126,477,161,873.73
  5. Step 5: Solve for x
    x = 126,477,161,873.73/423,663.05
  6. Step 6: Final answer
    x = 298,532.44

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