Finding the Fourth Proportional to 173,510.10, 260,022.15 and 138,032.10

Step by Step Solution

1. Step 1: Write the proportion equation
   173,510.10 : 260,022.15 = 138,032.10 : x
2. Step 2: Convert to fraction form
   173,510.10/260,022.15 = 138,032.10/x
3. Step 3: Cross multiply
   173,510.10x = 260,022.15 × 138,032.10
4. Step 4: Simplify right side
   173,510.10x = 35,891,403,411.02
5. Step 5: Solve for x
   x = 35,891,403,411.02/173,510.10
6. Step 6: Final answer
   x = 206,854.84