Finding the Fourth Proportional to 82,120.02, 123,179.82 and 19,790.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,120.02 : 123,179.82 = 19,790.52 : x
2. Step 2: Convert to fraction form
   82,120.02/123,179.82 = 19,790.52/x
3. Step 3: Cross multiply
   82,120.02x = 123,179.82 × 19,790.52
4. Step 4: Simplify right side
   82,120.02x = 2,437,792,691.31
5. Step 5: Solve for x
   x = 2,437,792,691.31/82,120.02
6. Step 6: Final answer
   x = 29,685.73