Finding the Fourth Proportional to 2,057.26, 3,083.84 and 1,131.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.26 : 3,083.84 = 1,131.89 : x
2. Step 2: Convert to fraction form
   2,057.26/3,083.84 = 1,131.89/x
3. Step 3: Cross multiply
   2,057.26x = 3,083.84 × 1,131.89
4. Step 4: Simplify right side
   2,057.26x = 3,490,557.55
5. Step 5: Solve for x
   x = 3,490,557.55/2,057.26
6. Step 6: Final answer
   x = 1,696.70