Finding the Fourth Proportional to 2,254.77, 3,111.71 and 1,260.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.77 : 3,111.71 = 1,260.02 : x
2. Step 2: Convert to fraction form
   2,254.77/3,111.71 = 1,260.02/x
3. Step 3: Cross multiply
   2,254.77x = 3,111.71 × 1,260.02
4. Step 4: Simplify right side
   2,254.77x = 3,920,794.98
5. Step 5: Solve for x
   x = 3,920,794.98/2,254.77
6. Step 6: Final answer
   x = 1,738.89