Finding the Fourth Proportional to 8,748, 12,072.72 and 5,022.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748 : 12,072.72 = 5,022.24 : x
2. Step 2: Convert to fraction form
   8,748/12,072.72 = 5,022.24/x
3. Step 3: Cross multiply
   8,748x = 12,072.72 × 5,022.24
4. Step 4: Simplify right side
   8,748x = 60,632,097.29
5. Step 5: Solve for x
   x = 60,632,097.29/8,748
6. Step 6: Final answer
   x = 6,930.97