Finding the Fourth Proportional to 2,263.20, 3,123.05 and 1,268.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.20 : 3,123.05 = 1,268.25 : x
2. Step 2: Convert to fraction form
   2,263.20/3,123.05 = 1,268.25/x
3. Step 3: Cross multiply
   2,263.20x = 3,123.05 × 1,268.25
4. Step 4: Simplify right side
   2,263.20x = 3,960,801.82
5. Step 5: Solve for x
   x = 3,960,801.82/2,263.20
6. Step 6: Final answer
   x = 1,750.09