Finding the Fourth Proportional to 124,738.89, 172,131.62 and 68,150.22

Step by Step Solution

1. Step 1: Write the proportion equation
   124,738.89 : 172,131.62 = 68,150.22 : x
2. Step 2: Convert to fraction form
   124,738.89/172,131.62 = 68,150.22/x
3. Step 3: Cross multiply
   124,738.89x = 172,131.62 × 68,150.22
4. Step 4: Simplify right side
   124,738.89x = 11,730,807,431.21
5. Step 5: Solve for x
   x = 11,730,807,431.21/124,738.89
6. Step 6: Final answer
   x = 94,042.90