Finding the Fourth Proportional to 108,969.12, 150,333.84 and 68,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   108,969.12 : 150,333.84 = 68,672.16 : x
2. Step 2: Convert to fraction form
   108,969.12/150,333.84 = 68,672.16/x
3. Step 3: Cross multiply
   108,969.12x = 150,333.84 × 68,672.16
4. Step 4: Simplify right side
   108,969.12x = 10,323,749,513.89
5. Step 5: Solve for x
   x = 10,323,749,513.89/108,969.12
6. Step 6: Final answer
   x = 94,740.14