Finding the Fourth Proportional to 108,144.78, 149,238.24 and 60,398.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,144.78 : 149,238.24 = 60,398.82 : x
2. Step 2: Convert to fraction form
   108,144.78/149,238.24 = 60,398.82/x
3. Step 3: Cross multiply
   108,144.78x = 149,238.24 × 60,398.82
4. Step 4: Simplify right side
   108,144.78x = 9,013,813,594.88
5. Step 5: Solve for x
   x = 9,013,813,594.88/108,144.78
6. Step 6: Final answer
   x = 83,349.50