Finding the Fourth Proportional to 8,152.47, 12,214.94 and 5,229.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,152.47 : 12,214.94 = 5,229.18 : x
2. Step 2: Convert to fraction form
   8,152.47/12,214.94 = 5,229.18/x
3. Step 3: Cross multiply
   8,152.47x = 12,214.94 × 5,229.18
4. Step 4: Simplify right side
   8,152.47x = 63,874,093.80
5. Step 5: Solve for x
   x = 63,874,093.80/8,152.47
6. Step 6: Final answer
   x = 7,834.94