Finding the Fourth Proportional to 2,254.86, 3,111.88 and 1,260.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.86 : 3,111.88 = 1,260.18 : x
2. Step 2: Convert to fraction form
   2,254.86/3,111.88 = 1,260.18/x
3. Step 3: Cross multiply
   2,254.86x = 3,111.88 × 1,260.18
4. Step 4: Simplify right side
   2,254.86x = 3,921,528.94
5. Step 5: Solve for x
   x = 3,921,528.94/2,254.86
6. Step 6: Final answer
   x = 1,739.15