Finding the Fourth Proportional to 3,704.64, 5,112.20 and 2,025.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.64 : 5,112.20 = 2,025.72 : x
2. Step 2: Convert to fraction form
   3,704.64/5,112.20 = 2,025.72/x
3. Step 3: Cross multiply
   3,704.64x = 5,112.20 × 2,025.72
4. Step 4: Simplify right side
   3,704.64x = 10,355,860.22
5. Step 5: Solve for x
   x = 10,355,860.22/3,704.64
6. Step 6: Final answer
   x = 2,795.37