Finding the Fourth Proportional to 2,196.60, 3,295.40 and 1,025.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.60 : 3,295.40 = 1,025.75 : x
2. Step 2: Convert to fraction form
   2,196.60/3,295.40 = 1,025.75/x
3. Step 3: Cross multiply
   2,196.60x = 3,295.40 × 1,025.75
4. Step 4: Simplify right side
   2,196.60x = 3,380,256.55
5. Step 5: Solve for x
   x = 3,380,256.55/2,196.60
6. Step 6: Final answer
   x = 1,538.86