Finding the Fourth Proportional to 1,649.82, 2,276.69 and 986.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.82 : 2,276.69 = 986.28 : x
2. Step 2: Convert to fraction form
   1,649.82/2,276.69 = 986.28/x
3. Step 3: Cross multiply
   1,649.82x = 2,276.69 × 986.28
4. Step 4: Simplify right side
   1,649.82x = 2,245,457.04
5. Step 5: Solve for x
   x = 2,245,457.04/1,649.82
6. Step 6: Final answer
   x = 1,361.03