Finding the Fourth Proportional to 2,208.88, 3,314.72 and 1,235.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.88 : 3,314.72 = 1,235.62 : x
2. Step 2: Convert to fraction form
   2,208.88/3,314.72 = 1,235.62/x
3. Step 3: Cross multiply
   2,208.88x = 3,314.72 × 1,235.62
4. Step 4: Simplify right side
   2,208.88x = 4,095,734.33
5. Step 5: Solve for x
   x = 4,095,734.33/2,208.88
6. Step 6: Final answer
   x = 1,854.21