Finding the Fourth Proportional to 2,502.43, 3,453.55 and 1,383.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.43 : 3,453.55 = 1,383.48 : x
2. Step 2: Convert to fraction form
   2,502.43/3,453.55 = 1,383.48/x
3. Step 3: Cross multiply
   2,502.43x = 3,453.55 × 1,383.48
4. Step 4: Simplify right side
   2,502.43x = 4,777,913.90
5. Step 5: Solve for x
   x = 4,777,913.90/2,502.43
6. Step 6: Final answer
   x = 1,909.31