Finding the Fourth Proportional to 2,254.52, 3,111.09 and 1,259.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.52 : 3,111.09 = 1,259.87 : x
2. Step 2: Convert to fraction form
   2,254.52/3,111.09 = 1,259.87/x
3. Step 3: Cross multiply
   2,254.52x = 3,111.09 × 1,259.87
4. Step 4: Simplify right side
   2,254.52x = 3,919,553.40
5. Step 5: Solve for x
   x = 3,919,553.40/2,254.52
6. Step 6: Final answer
   x = 1,738.54