Finding the Fourth Proportional to 2,254.72, 3,111.52 and 1,260.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.72 : 3,111.52 = 1,260.16 : x
2. Step 2: Convert to fraction form
   2,254.72/3,111.52 = 1,260.16/x
3. Step 3: Cross multiply
   2,254.72x = 3,111.52 × 1,260.16
4. Step 4: Simplify right side
   2,254.72x = 3,921,013.04
5. Step 5: Solve for x
   x = 3,921,013.04/2,254.72
6. Step 6: Final answer
   x = 1,739.02