Finding the Fourth Proportional to 2,361.16, 3,540.92 and 900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.16 : 3,540.92 = 900.72 : x
2. Step 2: Convert to fraction form
   2,361.16/3,540.92 = 900.72/x
3. Step 3: Cross multiply
   2,361.16x = 3,540.92 × 900.72
4. Step 4: Simplify right side
   2,361.16x = 3,189,377.46
5. Step 5: Solve for x
   x = 3,189,377.46/2,361.16
6. Step 6: Final answer
   x = 1,350.77