Finding the Fourth Proportional to 2,822.72, 4,234.22 and 1,783.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822.72 : 4,234.22 = 1,783.59 : x
2. Step 2: Convert to fraction form
   2,822.72/4,234.22 = 1,783.59/x
3. Step 3: Cross multiply
   2,822.72x = 4,234.22 × 1,783.59
4. Step 4: Simplify right side
   2,822.72x = 7,552,103.53
5. Step 5: Solve for x
   x = 7,552,103.53/2,822.72
6. Step 6: Final answer
   x = 2,675.48