Finding the Fourth Proportional to 82,173.83, 123,276.72 and 31,569.17

Step by Step Solution

1. Step 1: Write the proportion equation
   82,173.83 : 123,276.72 = 31,569.17 : x
2. Step 2: Convert to fraction form
   82,173.83/123,276.72 = 31,569.17/x
3. Step 3: Cross multiply
   82,173.83x = 123,276.72 × 31,569.17
4. Step 4: Simplify right side
   82,173.83x = 3,891,743,114.34
5. Step 5: Solve for x
   x = 3,891,743,114.34/82,173.83
6. Step 6: Final answer
   x = 47,359.89