Finding the Fourth Proportional to 2,083.31, 2,874.45 and 1,275.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.31 : 2,874.45 = 1,275.54 : x
2. Step 2: Convert to fraction form
   2,083.31/2,874.45 = 1,275.54/x
3. Step 3: Cross multiply
   2,083.31x = 2,874.45 × 1,275.54
4. Step 4: Simplify right side
   2,083.31x = 3,666,469.96
5. Step 5: Solve for x
   x = 3,666,469.96/2,083.31
6. Step 6: Final answer
   x = 1,759.93