Finding the Fourth Proportional to 2,099.31, 2,896.94 and 1,167.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.31 : 2,896.94 = 1,167.75 : x
2. Step 2: Convert to fraction form
   2,099.31/2,896.94 = 1,167.75/x
3. Step 3: Cross multiply
   2,099.31x = 2,896.94 × 1,167.75
4. Step 4: Simplify right side
   2,099.31x = 3,382,895.85
5. Step 5: Solve for x
   x = 3,382,895.85/2,099.31
6. Step 6: Final answer
   x = 1,611.43