Finding the Fourth Proportional to 11,609.88, 17,419.68 and 8,348.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,609.88 : 17,419.68 = 8,348.82 : x
2. Step 2: Convert to fraction form
   11,609.88/17,419.68 = 8,348.82/x
3. Step 3: Cross multiply
   11,609.88x = 17,419.68 × 8,348.82
4. Step 4: Simplify right side
   11,609.88x = 145,433,772.78
5. Step 5: Solve for x
   x = 145,433,772.78/11,609.88
6. Step 6: Final answer
   x = 12,526.72