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Finding the Fourth Proportional to 289,327.86, 399,173.13 and 168,422.94

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Solution

The fourth proportional to 289,327.86, 399,173.13 and 168,422.94 is: 232,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,327.86 : 399,173.13 = 168,422.94 : x
  2. Step 2: Convert to fraction form
    289,327.86/399,173.13 = 168,422.94/x
  3. Step 3: Cross multiply
    289,327.86x = 399,173.13 × 168,422.94
  4. Step 4: Simplify right side
    289,327.86x = 67,229,912,123.60
  5. Step 5: Solve for x
    x = 67,229,912,123.60/289,327.86
  6. Step 6: Final answer
    x = 232,365.84

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