Finding the Fourth Proportional to 2,261.82, 3,399.22 and 1,108.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.82 : 3,399.22 = 1,108.38 : x
2. Step 2: Convert to fraction form
   2,261.82/3,399.22 = 1,108.38/x
3. Step 3: Cross multiply
   2,261.82x = 3,399.22 × 1,108.38
4. Step 4: Simplify right side
   2,261.82x = 3,767,627.46
5. Step 5: Solve for x
   x = 3,767,627.46/2,261.82
6. Step 6: Final answer
   x = 1,665.75