Finding the Fourth Proportional to 2,254.56, 3,111.28 and 1,259.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.56 : 3,111.28 = 1,259.84 : x
2. Step 2: Convert to fraction form
   2,254.56/3,111.28 = 1,259.84/x
3. Step 3: Cross multiply
   2,254.56x = 3,111.28 × 1,259.84
4. Step 4: Simplify right side
   2,254.56x = 3,919,715.00
5. Step 5: Solve for x
   x = 3,919,715.00/2,254.56
6. Step 6: Final answer
   x = 1,738.57