Finding the Fourth Proportional to 1,649.39, 2,275.49 and 986.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.39 : 2,275.49 = 986.27 : x
2. Step 2: Convert to fraction form
   1,649.39/2,275.49 = 986.27/x
3. Step 3: Cross multiply
   1,649.39x = 2,275.49 × 986.27
4. Step 4: Simplify right side
   1,649.39x = 2,244,238.61
5. Step 5: Solve for x
   x = 2,244,238.61/1,649.39
6. Step 6: Final answer
   x = 1,360.65