Finding the Fourth Proportional to 2,423.48, 3,631.42 and 1,382.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.48 : 3,631.42 = 1,382.20 : x
2. Step 2: Convert to fraction form
   2,423.48/3,631.42 = 1,382.20/x
3. Step 3: Cross multiply
   2,423.48x = 3,631.42 × 1,382.20
4. Step 4: Simplify right side
   2,423.48x = 5,019,348.72
5. Step 5: Solve for x
   x = 5,019,348.72/2,423.48
6. Step 6: Final answer
   x = 2,071.13