Finding the Fourth Proportional to 3,728.18, 5,582.27 and 1,969.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.18 : 5,582.27 = 1,969.54 : x
2. Step 2: Convert to fraction form
   3,728.18/5,582.27 = 1,969.54/x
3. Step 3: Cross multiply
   3,728.18x = 5,582.27 × 1,969.54
4. Step 4: Simplify right side
   3,728.18x = 10,994,495.02
5. Step 5: Solve for x
   x = 10,994,495.02/3,728.18
6. Step 6: Final answer
   x = 2,949.02