Finding the Fourth Proportional to 3,598.89, 5,391.40 and 2,208.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598.89 : 5,391.40 = 2,208.16 : x
2. Step 2: Convert to fraction form
   3,598.89/5,391.40 = 2,208.16/x
3. Step 3: Cross multiply
   3,598.89x = 5,391.40 × 2,208.16
4. Step 4: Simplify right side
   3,598.89x = 11,905,073.82
5. Step 5: Solve for x
   x = 11,905,073.82/3,598.89
6. Step 6: Final answer
   x = 3,307.99