Finding the Fourth Proportional to 3,798.88, 5,703.12 and 2,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,798.88 : 5,703.12 = 2,650.72 : x
2. Step 2: Convert to fraction form
   3,798.88/5,703.12 = 2,650.72/x
3. Step 3: Cross multiply
   3,798.88x = 5,703.12 × 2,650.72
4. Step 4: Simplify right side
   3,798.88x = 15,117,374.25
5. Step 5: Solve for x
   x = 15,117,374.25/3,798.88
6. Step 6: Final answer
   x = 3,979.43