Finding the Fourth Proportional to 3,842.72, 5,766.32 and 2,528.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.72 : 5,766.32 = 2,528.10 : x
2. Step 2: Convert to fraction form
   3,842.72/5,766.32 = 2,528.10/x
3. Step 3: Cross multiply
   3,842.72x = 5,766.32 × 2,528.10
4. Step 4: Simplify right side
   3,842.72x = 14,577,833.59
5. Step 5: Solve for x
   x = 14,577,833.59/3,842.72
6. Step 6: Final answer
   x = 3,793.62