Finding the Fourth Proportional to 8,771.16, 13,162.47 and 3,224.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.16 : 13,162.47 = 3,224.55 : x
2. Step 2: Convert to fraction form
   8,771.16/13,162.47 = 3,224.55/x
3. Step 3: Cross multiply
   8,771.16x = 13,162.47 × 3,224.55
4. Step 4: Simplify right side
   8,771.16x = 42,443,042.64
5. Step 5: Solve for x
   x = 42,443,042.64/8,771.16
6. Step 6: Final answer
   x = 4,838.93