Finding the Fourth Proportional to 108,452.52, 149,678.58 and 60,715.78

Step by Step Solution

1. Step 1: Write the proportion equation
   108,452.52 : 149,678.58 = 60,715.78 : x
2. Step 2: Convert to fraction form
   108,452.52/149,678.58 = 60,715.78/x
3. Step 3: Cross multiply
   108,452.52x = 149,678.58 × 60,715.78
4. Step 4: Simplify right side
   108,452.52x = 9,087,851,587.48
5. Step 5: Solve for x
   x = 9,087,851,587.48/108,452.52
6. Step 6: Final answer
   x = 83,795.67