Finding the Fourth Proportional to 3,768.72, 5,645.76 and 1,822.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.72 : 5,645.76 = 1,822.29 : x
2. Step 2: Convert to fraction form
   3,768.72/5,645.76 = 1,822.29/x
3. Step 3: Cross multiply
   3,768.72x = 5,645.76 × 1,822.29
4. Step 4: Simplify right side
   3,768.72x = 10,288,211.99
5. Step 5: Solve for x
   x = 10,288,211.99/3,768.72
6. Step 6: Final answer
   x = 2,729.90