Finding the Fourth Proportional to 8,797.82, 12,142.26 and 5,440.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.82 : 12,142.26 = 5,440.42 : x
2. Step 2: Convert to fraction form
   8,797.82/12,142.26 = 5,440.42/x
3. Step 3: Cross multiply
   8,797.82x = 12,142.26 × 5,440.42
4. Step 4: Simplify right side
   8,797.82x = 66,058,994.15
5. Step 5: Solve for x
   x = 66,058,994.15/8,797.82
6. Step 6: Final answer
   x = 7,508.56