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Finding the Fourth Proportional to 429,529.88, 644,039.58 and 163,309.88

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Solution

The fourth proportional to 429,529.88, 644,039.58 and 163,309.88 is: 244,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,529.88 : 644,039.58 = 163,309.88 : x
  2. Step 2: Convert to fraction form
    429,529.88/644,039.58 = 163,309.88/x
  3. Step 3: Cross multiply
    429,529.88x = 644,039.58 × 163,309.88
  4. Step 4: Simplify right side
    429,529.88x = 105,178,026,525.05
  5. Step 5: Solve for x
    x = 105,178,026,525.05/429,529.88
  6. Step 6: Final answer
    x = 244,867.78

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