Finding the Fourth Proportional to 11,391.84, 17,085.96 and 3,598.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,391.84 : 17,085.96 = 3,598.92 : x
2. Step 2: Convert to fraction form
   11,391.84/17,085.96 = 3,598.92/x
3. Step 3: Cross multiply
   11,391.84x = 17,085.96 × 3,598.92
4. Step 4: Simplify right side
   11,391.84x = 61,491,003.16
5. Step 5: Solve for x
   x = 61,491,003.16/11,391.84
6. Step 6: Final answer
   x = 5,397.81