Finding the Fourth Proportional to 11,841.46, 17,665.12 and 11,519.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,841.46 : 17,665.12 = 11,519.69 : x
2. Step 2: Convert to fraction form
   11,841.46/17,665.12 = 11,519.69/x
3. Step 3: Cross multiply
   11,841.46x = 17,665.12 × 11,519.69
4. Step 4: Simplify right side
   11,841.46x = 203,496,617.89
5. Step 5: Solve for x
   x = 203,496,617.89/11,841.46
6. Step 6: Final answer
   x = 17,185.10