Finding the Fourth Proportional to 2,263.15, 3,123.12 and 1,268.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.15 : 3,123.12 = 1,268.43 : x
2. Step 2: Convert to fraction form
   2,263.15/3,123.12 = 1,268.43/x
3. Step 3: Cross multiply
   2,263.15x = 3,123.12 × 1,268.43
4. Step 4: Simplify right side
   2,263.15x = 3,961,459.10
5. Step 5: Solve for x
   x = 3,961,459.10/2,263.15
6. Step 6: Final answer
   x = 1,750.42