Finding the Fourth Proportional to 11,434.46, 17,139.92 and 5,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,434.46 : 17,139.92 = 5,198.82 : x
2. Step 2: Convert to fraction form
   11,434.46/17,139.92 = 5,198.82/x
3. Step 3: Cross multiply
   11,434.46x = 17,139.92 × 5,198.82
4. Step 4: Simplify right side
   11,434.46x = 89,107,358.89
5. Step 5: Solve for x
   x = 89,107,358.89/11,434.46
6. Step 6: Final answer
   x = 7,792.88