Finding the Fourth Proportional to 108,132.72, 149,225.39 and 60,386.11

Step by Step Solution

1. Step 1: Write the proportion equation
   108,132.72 : 149,225.39 = 60,386.11 : x
2. Step 2: Convert to fraction form
   108,132.72/149,225.39 = 60,386.11/x
3. Step 3: Cross multiply
   108,132.72x = 149,225.39 × 60,386.11
4. Step 4: Simplify right side
   108,132.72x = 9,011,140,366.79
5. Step 5: Solve for x
   x = 9,011,140,366.79/108,132.72
6. Step 6: Final answer
   x = 83,334.08