Finding the Fourth Proportional to 4,185.72, 5,776.03 and 2,297.20

Step by Step Solution

1. Step 1: Write the proportion equation
   4,185.72 : 5,776.03 = 2,297.20 : x
2. Step 2: Convert to fraction form
   4,185.72/5,776.03 = 2,297.20/x
3. Step 3: Cross multiply
   4,185.72x = 5,776.03 × 2,297.20
4. Step 4: Simplify right side
   4,185.72x = 13,268,696.12
5. Step 5: Solve for x
   x = 13,268,696.12/4,185.72
6. Step 6: Final answer
   x = 3,169.99