Finding the Fourth Proportional to 2,250.57, 3,376.53 and 863.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.57 : 3,376.53 = 863.94 : x
2. Step 2: Convert to fraction form
   2,250.57/3,376.53 = 863.94/x
3. Step 3: Cross multiply
   2,250.57x = 3,376.53 × 863.94
4. Step 4: Simplify right side
   2,250.57x = 2,917,119.33
5. Step 5: Solve for x
   x = 2,917,119.33/2,250.57
6. Step 6: Final answer
   x = 1,296.17