Finding the Fourth Proportional to 2,423.43, 3,631.91 and 1,383.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.43 : 3,631.91 = 1,383.75 : x
2. Step 2: Convert to fraction form
   2,423.43/3,631.91 = 1,383.75/x
3. Step 3: Cross multiply
   2,423.43x = 3,631.91 × 1,383.75
4. Step 4: Simplify right side
   2,423.43x = 5,025,648.54
5. Step 5: Solve for x
   x = 5,025,648.54/2,423.43
6. Step 6: Final answer
   x = 2,073.77