Finding the Fourth Proportional to 2,500.28, 3,746.32 and 855.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.28 : 3,746.32 = 855.94 : x
2. Step 2: Convert to fraction form
   2,500.28/3,746.32 = 855.94/x
3. Step 3: Cross multiply
   2,500.28x = 3,746.32 × 855.94
4. Step 4: Simplify right side
   2,500.28x = 3,206,625.14
5. Step 5: Solve for x
   x = 3,206,625.14/2,500.28
6. Step 6: Final answer
   x = 1,282.51