Finding the Fourth Proportional to 4,128.80, 5,697.76 and 2,451.02

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.80 : 5,697.76 = 2,451.02 : x
2. Step 2: Convert to fraction form
   4,128.80/5,697.76 = 2,451.02/x
3. Step 3: Cross multiply
   4,128.80x = 5,697.76 × 2,451.02
4. Step 4: Simplify right side
   4,128.80x = 13,965,323.72
5. Step 5: Solve for x
   x = 13,965,323.72/4,128.80
6. Step 6: Final answer
   x = 3,382.42