Finding the Fourth Proportional to 2,240.10, 3,086.55 and 1,649.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.10 : 3,086.55 = 1,649.70 : x
2. Step 2: Convert to fraction form
   2,240.10/3,086.55 = 1,649.70/x
3. Step 3: Cross multiply
   2,240.10x = 3,086.55 × 1,649.70
4. Step 4: Simplify right side
   2,240.10x = 5,091,881.54
5. Step 5: Solve for x
   x = 5,091,881.54/2,240.10
6. Step 6: Final answer
   x = 2,273.06