Finding the Fourth Proportional to 2,263.21, 3,123.42 and 1,268.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.21 : 3,123.42 = 1,268.47 : x
2. Step 2: Convert to fraction form
   2,263.21/3,123.42 = 1,268.47/x
3. Step 3: Cross multiply
   2,263.21x = 3,123.42 × 1,268.47
4. Step 4: Simplify right side
   2,263.21x = 3,961,964.57
5. Step 5: Solve for x
   x = 3,961,964.57/2,263.21
6. Step 6: Final answer
   x = 1,750.60