Finding the Fourth Proportional to 82,327.32, 123,490.92 and 19,997.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,327.32 : 123,490.92 = 19,997.76 : x
2. Step 2: Convert to fraction form
   82,327.32/123,490.92 = 19,997.76/x
3. Step 3: Cross multiply
   82,327.32x = 123,490.92 × 19,997.76
4. Step 4: Simplify right side
   82,327.32x = 2,469,541,780.34
5. Step 5: Solve for x
   x = 2,469,541,780.34/82,327.32
6. Step 6: Final answer
   x = 29,996.63