Finding the Fourth Proportional to 2,254.45, 3,111.16 and 1,259.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.45 : 3,111.16 = 1,259.82 : x
2. Step 2: Convert to fraction form
   2,254.45/3,111.16 = 1,259.82/x
3. Step 3: Cross multiply
   2,254.45x = 3,111.16 × 1,259.82
4. Step 4: Simplify right side
   2,254.45x = 3,919,501.59
5. Step 5: Solve for x
   x = 3,919,501.59/2,254.45
6. Step 6: Final answer
   x = 1,738.56