Finding the Fourth Proportional to 11,838.12, 17,755.61 and 3,517.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,838.12 : 17,755.61 = 3,517.98 : x
2. Step 2: Convert to fraction form
   11,838.12/17,755.61 = 3,517.98/x
3. Step 3: Cross multiply
   11,838.12x = 17,755.61 × 3,517.98
4. Step 4: Simplify right side
   11,838.12x = 62,463,863.28
5. Step 5: Solve for x
   x = 62,463,863.28/11,838.12
6. Step 6: Final answer
   x = 5,276.50