Finding the Fourth Proportional to 12,796.04, 17,661.84 and 8,330.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.04 : 17,661.84 = 8,330.96 : x
2. Step 2: Convert to fraction form
   12,796.04/17,661.84 = 8,330.96/x
3. Step 3: Cross multiply
   12,796.04x = 17,661.84 × 8,330.96
4. Step 4: Simplify right side
   12,796.04x = 147,140,082.57
5. Step 5: Solve for x
   x = 147,140,082.57/12,796.04
6. Step 6: Final answer
   x = 11,498.88