Finding the Fourth Proportional to 17,469.78, 24,111.62 and 9,916.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,469.78 : 24,111.62 = 9,916.82 : x
2. Step 2: Convert to fraction form
   17,469.78/24,111.62 = 9,916.82/x
3. Step 3: Cross multiply
   17,469.78x = 24,111.62 × 9,916.82
4. Step 4: Simplify right side
   17,469.78x = 239,110,595.45
5. Step 5: Solve for x
   x = 239,110,595.45/17,469.78
6. Step 6: Final answer
   x = 13,687.10