Finding the Fourth Proportional to 2,208, 3,307.92 and 1,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208 : 3,307.92 = 1,110.72 : x
2. Step 2: Convert to fraction form
   2,208/3,307.92 = 1,110.72/x
3. Step 3: Cross multiply
   2,208x = 3,307.92 × 1,110.72
4. Step 4: Simplify right side
   2,208x = 3,674,172.90
5. Step 5: Solve for x
   x = 3,674,172.90/2,208
6. Step 6: Final answer
   x = 1,664.03