Finding the Fourth Proportional to 108,153.78, 149,250.66 and 60,407.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,153.78 : 149,250.66 = 60,407.82 : x
2. Step 2: Convert to fraction form
   108,153.78/149,250.66 = 60,407.82/x
3. Step 3: Cross multiply
   108,153.78x = 149,250.66 × 60,407.82
4. Step 4: Simplify right side
   108,153.78x = 9,015,907,004.16
5. Step 5: Solve for x
   x = 9,015,907,004.16/108,153.78
6. Step 6: Final answer
   x = 83,361.92