Finding the Fourth Proportional to 2,057.38, 3,086.76 and 1,083.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.38 : 3,086.76 = 1,083.22 : x
2. Step 2: Convert to fraction form
   2,057.38/3,086.76 = 1,083.22/x
3. Step 3: Cross multiply
   2,057.38x = 3,086.76 × 1,083.22
4. Step 4: Simplify right side
   2,057.38x = 3,343,640.17
5. Step 5: Solve for x
   x = 3,343,640.17/2,057.38
6. Step 6: Final answer
   x = 1,625.19