Finding the Fourth Proportional to 2,809.48, 3,872.82 and 2,023.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.48 : 3,872.82 = 2,023.24 : x
2. Step 2: Convert to fraction form
   2,809.48/3,872.82 = 2,023.24/x
3. Step 3: Cross multiply
   2,809.48x = 3,872.82 × 2,023.24
4. Step 4: Simplify right side
   2,809.48x = 7,835,644.34
5. Step 5: Solve for x
   x = 7,835,644.34/2,809.48
6. Step 6: Final answer
   x = 2,789.00