Finding the Fourth Proportional to 7,025.31, 10,530.64 and 2,863.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,025.31 : 10,530.64 = 2,863.60 : x
2. Step 2: Convert to fraction form
   7,025.31/10,530.64 = 2,863.60/x
3. Step 3: Cross multiply
   7,025.31x = 10,530.64 × 2,863.60
4. Step 4: Simplify right side
   7,025.31x = 30,155,517.96
5. Step 5: Solve for x
   x = 30,155,517.96/7,025.31
6. Step 6: Final answer
   x = 4,292.41