Finding the Fourth Proportional to 2,254.83, 3,111.60 and 1,260.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.83 : 3,111.60 = 1,260.12 : x
2. Step 2: Convert to fraction form
   2,254.83/3,111.60 = 1,260.12/x
3. Step 3: Cross multiply
   2,254.83x = 3,111.60 × 1,260.12
4. Step 4: Simplify right side
   2,254.83x = 3,920,976.98
5. Step 5: Solve for x
   x = 3,920,976.98/2,254.83
6. Step 6: Final answer
   x = 1,738.93