Finding the Fourth Proportional to 2,254.42, 3,111.14 and 1,259.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.42 : 3,111.14 = 1,259.69 : x
2. Step 2: Convert to fraction form
   2,254.42/3,111.14 = 1,259.69/x
3. Step 3: Cross multiply
   2,254.42x = 3,111.14 × 1,259.69
4. Step 4: Simplify right side
   2,254.42x = 3,919,069.95
5. Step 5: Solve for x
   x = 3,919,069.95/2,254.42
6. Step 6: Final answer
   x = 1,738.40