Finding the Fourth Proportional to 2,023.28, 3,032.16 and 1,820.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.28 : 3,032.16 = 1,820.96 : x
2. Step 2: Convert to fraction form
   2,023.28/3,032.16 = 1,820.96/x
3. Step 3: Cross multiply
   2,023.28x = 3,032.16 × 1,820.96
4. Step 4: Simplify right side
   2,023.28x = 5,521,442.07
5. Step 5: Solve for x
   x = 5,521,442.07/2,023.28
6. Step 6: Final answer
   x = 2,728.96