Finding the Fourth Proportional to 3,518.10, 4,854.61 and 2,025.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518.10 : 4,854.61 = 2,025.72 : x
2. Step 2: Convert to fraction form
   3,518.10/4,854.61 = 2,025.72/x
3. Step 3: Cross multiply
   3,518.10x = 4,854.61 × 2,025.72
4. Step 4: Simplify right side
   3,518.10x = 9,834,080.57
5. Step 5: Solve for x
   x = 9,834,080.57/3,518.10
6. Step 6: Final answer
   x = 2,795.28