Finding the Fourth Proportional to 5,224.82, 7,210.42 and 2,867.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,224.82 : 7,210.42 = 2,867.12 : x
2. Step 2: Convert to fraction form
   5,224.82/7,210.42 = 2,867.12/x
3. Step 3: Cross multiply
   5,224.82x = 7,210.42 × 2,867.12
4. Step 4: Simplify right side
   5,224.82x = 20,673,139.39
5. Step 5: Solve for x
   x = 20,673,139.39/5,224.82
6. Step 6: Final answer
   x = 3,956.72