Finding the Fourth Proportional to 3,872.96, 5,806.72 and 2,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.96 : 5,806.72 = 2,025.12 : x
2. Step 2: Convert to fraction form
   3,872.96/5,806.72 = 2,025.12/x
3. Step 3: Cross multiply
   3,872.96x = 5,806.72 × 2,025.12
4. Step 4: Simplify right side
   3,872.96x = 11,759,304.81
5. Step 5: Solve for x
   x = 11,759,304.81/3,872.96
6. Step 6: Final answer
   x = 3,036.26