Finding the Fourth Proportional to 2,091.25, 3,136.06 and 1,116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.25 : 3,136.06 = 1,116.82 : x
2. Step 2: Convert to fraction form
   2,091.25/3,136.06 = 1,116.82/x
3. Step 3: Cross multiply
   2,091.25x = 3,136.06 × 1,116.82
4. Step 4: Simplify right side
   2,091.25x = 3,502,414.53
5. Step 5: Solve for x
   x = 3,502,414.53/2,091.25
6. Step 6: Final answer
   x = 1,674.79