Finding the Fourth Proportional to 11,441.88, 17,159.76 and 3,648.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,441.88 : 17,159.76 = 3,648.78 : x
2. Step 2: Convert to fraction form
   11,441.88/17,159.76 = 3,648.78/x
3. Step 3: Cross multiply
   11,441.88x = 17,159.76 × 3,648.78
4. Step 4: Simplify right side
   11,441.88x = 62,612,189.09
5. Step 5: Solve for x
   x = 62,612,189.09/11,441.88
6. Step 6: Final answer
   x = 5,472.19