Finding the Fourth Proportional to 2,053.12, 2,833.50 and 1,168.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.12 : 2,833.50 = 1,168.90 : x
2. Step 2: Convert to fraction form
   2,053.12/2,833.50 = 1,168.90/x
3. Step 3: Cross multiply
   2,053.12x = 2,833.50 × 1,168.90
4. Step 4: Simplify right side
   2,053.12x = 3,312,078.15
5. Step 5: Solve for x
   x = 3,312,078.15/2,053.12
6. Step 6: Final answer
   x = 1,613.19