Finding the Fourth Proportional to 12,391.92, 17,096.66 and 7,082.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,391.92 : 17,096.66 = 7,082.98 : x
2. Step 2: Convert to fraction form
   12,391.92/17,096.66 = 7,082.98/x
3. Step 3: Cross multiply
   12,391.92x = 17,096.66 × 7,082.98
4. Step 4: Simplify right side
   12,391.92x = 121,095,300.85
5. Step 5: Solve for x
   x = 121,095,300.85/12,391.92
6. Step 6: Final answer
   x = 9,772.12