Finding the Fourth Proportional to 8,770.91, 13,162.10 and 3,224.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.91 : 13,162.10 = 3,224.30 : x
2. Step 2: Convert to fraction form
   8,770.91/13,162.10 = 3,224.30/x
3. Step 3: Cross multiply
   8,770.91x = 13,162.10 × 3,224.30
4. Step 4: Simplify right side
   8,770.91x = 42,438,559.03
5. Step 5: Solve for x
   x = 42,438,559.03/8,770.91
6. Step 6: Final answer
   x = 4,838.56