Finding the Fourth Proportional to 2,822.43, 3,892.82 and 2,472.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822.43 : 3,892.82 = 2,472.51 : x
2. Step 2: Convert to fraction form
   2,822.43/3,892.82 = 2,472.51/x
3. Step 3: Cross multiply
   2,822.43x = 3,892.82 × 2,472.51
4. Step 4: Simplify right side
   2,822.43x = 9,625,024.02
5. Step 5: Solve for x
   x = 9,625,024.02/2,822.43
6. Step 6: Final answer
   x = 3,410.19