Finding the Fourth Proportional to 2,719.18, 4,075.71 and 1,255.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.18 : 4,075.71 = 1,255.33 : x
2. Step 2: Convert to fraction form
   2,719.18/4,075.71 = 1,255.33/x
3. Step 3: Cross multiply
   2,719.18x = 4,075.71 × 1,255.33
4. Step 4: Simplify right side
   2,719.18x = 5,116,361.03
5. Step 5: Solve for x
   x = 5,116,361.03/2,719.18
6. Step 6: Final answer
   x = 1,881.58