Finding the Fourth Proportional to 108,231.72, 149,359.32 and 60,485.06

Step by Step Solution

1. Step 1: Write the proportion equation
   108,231.72 : 149,359.32 = 60,485.06 : x
2. Step 2: Convert to fraction form
   108,231.72/149,359.32 = 60,485.06/x
3. Step 3: Cross multiply
   108,231.72x = 149,359.32 × 60,485.06
4. Step 4: Simplify right side
   108,231.72x = 9,034,006,684.96
5. Step 5: Solve for x
   x = 9,034,006,684.96/108,231.72
6. Step 6: Final answer
   x = 83,469.12