Finding the Fourth Proportional to 8,821.24, 12,173.27 and 4,842.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,821.24 : 12,173.27 = 4,842.42 : x
2. Step 2: Convert to fraction form
   8,821.24/12,173.27 = 4,842.42/x
3. Step 3: Cross multiply
   8,821.24x = 12,173.27 × 4,842.42
4. Step 4: Simplify right side
   8,821.24x = 58,948,061.90
5. Step 5: Solve for x
   x = 58,948,061.90/8,821.24
6. Step 6: Final answer
   x = 6,682.51