Finding the Fourth Proportional to 2,325.32, 3,485.10 and 863.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.32 : 3,485.10 = 863.72 : x
2. Step 2: Convert to fraction form
   2,325.32/3,485.10 = 863.72/x
3. Step 3: Cross multiply
   2,325.32x = 3,485.10 × 863.72
4. Step 4: Simplify right side
   2,325.32x = 3,010,150.57
5. Step 5: Solve for x
   x = 3,010,150.57/2,325.32
6. Step 6: Final answer
   x = 1,294.51