Finding the Fourth Proportional to 2,254.20, 3,111.72 and 1,649.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.20 : 3,111.72 = 1,649.48 : x
2. Step 2: Convert to fraction form
   2,254.20/3,111.72 = 1,649.48/x
3. Step 3: Cross multiply
   2,254.20x = 3,111.72 × 1,649.48
4. Step 4: Simplify right side
   2,254.20x = 5,132,719.91
5. Step 5: Solve for x
   x = 5,132,719.91/2,254.20
6. Step 6: Final answer
   x = 2,276.96