Finding the Fourth Proportional to 82,139.97, 123,191.38 and 37,724.03

Step by Step Solution

1. Step 1: Write the proportion equation
   82,139.97 : 123,191.38 = 37,724.03 : x
2. Step 2: Convert to fraction form
   82,139.97/123,191.38 = 37,724.03/x
3. Step 3: Cross multiply
   82,139.97x = 123,191.38 × 37,724.03
4. Step 4: Simplify right side
   82,139.97x = 4,647,274,912.57
5. Step 5: Solve for x
   x = 4,647,274,912.57/82,139.97
6. Step 6: Final answer
   x = 56,577.51