Finding the Fourth Proportional to 82,326.42, 123,489.72 and 19,996.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,326.42 : 123,489.72 = 19,996.92 : x
2. Step 2: Convert to fraction form
   82,326.42/123,489.72 = 19,996.92/x
3. Step 3: Cross multiply
   82,326.42x = 123,489.72 × 19,996.92
4. Step 4: Simplify right side
   82,326.42x = 2,469,414,051.66
5. Step 5: Solve for x
   x = 2,469,414,051.66/82,326.42
6. Step 6: Final answer
   x = 29,995.40