Finding the Fourth Proportional to 2,402.56, 3,604.02 and 863.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.56 : 3,604.02 = 863.56 : x
2. Step 2: Convert to fraction form
   2,402.56/3,604.02 = 863.56/x
3. Step 3: Cross multiply
   2,402.56x = 3,604.02 × 863.56
4. Step 4: Simplify right side
   2,402.56x = 3,112,287.51
5. Step 5: Solve for x
   x = 3,112,287.51/2,402.56
6. Step 6: Final answer
   x = 1,295.40