Finding the Fourth Proportional to 8,849.72, 12,212.17 and 5,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.72 : 12,212.17 = 5,072.69 : x
2. Step 2: Convert to fraction form
   8,849.72/12,212.17 = 5,072.69/x
3. Step 3: Cross multiply
   8,849.72x = 12,212.17 × 5,072.69
4. Step 4: Simplify right side
   8,849.72x = 61,948,570.49
5. Step 5: Solve for x
   x = 61,948,570.49/8,849.72
6. Step 6: Final answer
   x = 7,000.06