Finding the Fourth Proportional to 2,263.42, 3,123.48 and 1,268.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.42 : 3,123.48 = 1,268.70 : x
2. Step 2: Convert to fraction form
   2,263.42/3,123.48 = 1,268.70/x
3. Step 3: Cross multiply
   2,263.42x = 3,123.48 × 1,268.70
4. Step 4: Simplify right side
   2,263.42x = 3,962,743.46
5. Step 5: Solve for x
   x = 3,962,743.46/2,263.42
6. Step 6: Final answer
   x = 1,750.78