Finding the Fourth Proportional to 2,254.54, 3,111.42 and 1,260.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.54 : 3,111.42 = 1,260.01 : x
2. Step 2: Convert to fraction form
   2,254.54/3,111.42 = 1,260.01/x
3. Step 3: Cross multiply
   2,254.54x = 3,111.42 × 1,260.01
4. Step 4: Simplify right side
   2,254.54x = 3,920,420.31
5. Step 5: Solve for x
   x = 3,920,420.31/2,254.54
6. Step 6: Final answer
   x = 1,738.90