Finding the Fourth Proportional to 82,174.83, 123,278.22 and 31,570.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,174.83 : 123,278.22 = 31,570.17 : x
2. Step 2: Convert to fraction form
   82,174.83/123,278.22 = 31,570.17/x
3. Step 3: Cross multiply
   82,174.83x = 123,278.22 × 31,570.17
4. Step 4: Simplify right side
   82,174.83x = 3,891,914,362.70
5. Step 5: Solve for x
   x = 3,891,914,362.70/82,174.83
6. Step 6: Final answer
   x = 47,361.39