Finding the Fourth Proportional to 2,263.43, 3,123.40 and 1,319.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.43 : 3,123.40 = 1,319.38 : x
2. Step 2: Convert to fraction form
   2,263.43/3,123.40 = 1,319.38/x
3. Step 3: Cross multiply
   2,263.43x = 3,123.40 × 1,319.38
4. Step 4: Simplify right side
   2,263.43x = 4,120,940.39
5. Step 5: Solve for x
   x = 4,120,940.39/2,263.43
6. Step 6: Final answer
   x = 1,820.66