Finding the Fourth Proportional to 108,499.88, 149,734.98 and 60,743.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,499.88 : 149,734.98 = 60,743.72 : x
2. Step 2: Convert to fraction form
   108,499.88/149,734.98 = 60,743.72/x
3. Step 3: Cross multiply
   108,499.88x = 149,734.98 × 60,743.72
4. Step 4: Simplify right side
   108,499.88x = 9,095,459,699.33
5. Step 5: Solve for x
   x = 9,095,459,699.33/108,499.88
6. Step 6: Final answer
   x = 83,829.21