Finding the Fourth Proportional to 3,724.56, 5,582.52 and 1,383.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.56 : 5,582.52 = 1,383.72 : x
2. Step 2: Convert to fraction form
   3,724.56/5,582.52 = 1,383.72/x
3. Step 3: Cross multiply
   3,724.56x = 5,582.52 × 1,383.72
4. Step 4: Simplify right side
   3,724.56x = 7,724,644.57
5. Step 5: Solve for x
   x = 7,724,644.57/3,724.56
6. Step 6: Final answer
   x = 2,073.98