Finding the Fourth Proportional to 2,752.40, 4,124.86 and 1,268.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,752.40 : 4,124.86 = 1,268.35 : x
2. Step 2: Convert to fraction form
   2,752.40/4,124.86 = 1,268.35/x
3. Step 3: Cross multiply
   2,752.40x = 4,124.86 × 1,268.35
4. Step 4: Simplify right side
   2,752.40x = 5,231,783.03
5. Step 5: Solve for x
   x = 5,231,783.03/2,752.40
6. Step 6: Final answer
   x = 1,900.81