Finding the Fourth Proportional to 17,348.30, 23,940.77 and 9,691.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,348.30 : 23,940.77 = 9,691.57 : x
2. Step 2: Convert to fraction form
   17,348.30/23,940.77 = 9,691.57/x
3. Step 3: Cross multiply
   17,348.30x = 23,940.77 × 9,691.57
4. Step 4: Simplify right side
   17,348.30x = 232,023,648.31
5. Step 5: Solve for x
   x = 232,023,648.31/17,348.30
6. Step 6: Final answer
   x = 13,374.43