Finding the Fourth Proportional to 3,992.82, 5,510.22 and 2,224.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.82 : 5,510.22 = 2,224.38 : x
2. Step 2: Convert to fraction form
   3,992.82/5,510.22 = 2,224.38/x
3. Step 3: Cross multiply
   3,992.82x = 5,510.22 × 2,224.38
4. Step 4: Simplify right side
   3,992.82x = 12,256,823.16
5. Step 5: Solve for x
   x = 12,256,823.16/3,992.82
6. Step 6: Final answer
   x = 3,069.72