Finding the Fourth Proportional to 8,152.76, 12,230.42 and 3,222.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,152.76 : 12,230.42 = 3,222.42 : x
2. Step 2: Convert to fraction form
   8,152.76/12,230.42 = 3,222.42/x
3. Step 3: Cross multiply
   8,152.76x = 12,230.42 × 3,222.42
4. Step 4: Simplify right side
   8,152.76x = 39,411,533.90
5. Step 5: Solve for x
   x = 39,411,533.90/8,152.76
6. Step 6: Final answer
   x = 4,834.14