Finding the Fourth Proportional to 2,268.15, 3,130.32 and 1,383.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.15 : 3,130.32 = 1,383.93 : x
2. Step 2: Convert to fraction form
   2,268.15/3,130.32 = 1,383.93/x
3. Step 3: Cross multiply
   2,268.15x = 3,130.32 × 1,383.93
4. Step 4: Simplify right side
   2,268.15x = 4,332,143.76
5. Step 5: Solve for x
   x = 4,332,143.76/2,268.15
6. Step 6: Final answer
   x = 1,909.99