Finding the Fourth Proportional to 2,488.17, 3,729.14 and 1,255.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.17 : 3,729.14 = 1,255.89 : x
2. Step 2: Convert to fraction form
   2,488.17/3,729.14 = 1,255.89/x
3. Step 3: Cross multiply
   2,488.17x = 3,729.14 × 1,255.89
4. Step 4: Simplify right side
   2,488.17x = 4,683,383.36
5. Step 5: Solve for x
   x = 4,683,383.36/2,488.17
6. Step 6: Final answer
   x = 1,882.26