Finding the Fourth Proportional to 2,499.36, 3,744.82 and 1,264.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.36 : 3,744.82 = 1,264.20 : x
2. Step 2: Convert to fraction form
   2,499.36/3,744.82 = 1,264.20/x
3. Step 3: Cross multiply
   2,499.36x = 3,744.82 × 1,264.20
4. Step 4: Simplify right side
   2,499.36x = 4,734,201.44
5. Step 5: Solve for x
   x = 4,734,201.44/2,499.36
6. Step 6: Final answer
   x = 1,894.17