Finding the Fourth Proportional to 4,118.72, 5,684.96 and 2,649.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.72 : 5,684.96 = 2,649.28 : x
2. Step 2: Convert to fraction form
   4,118.72/5,684.96 = 2,649.28/x
3. Step 3: Cross multiply
   4,118.72x = 5,684.96 × 2,649.28
4. Step 4: Simplify right side
   4,118.72x = 15,061,050.83
5. Step 5: Solve for x
   x = 15,061,050.83/4,118.72
6. Step 6: Final answer
   x = 3,656.73