Finding the Fourth Proportional to 8,061.66, 12,066.57 and 5,450.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.66 : 12,066.57 = 5,450.22 : x
2. Step 2: Convert to fraction form
   8,061.66/12,066.57 = 5,450.22/x
3. Step 3: Cross multiply
   8,061.66x = 12,066.57 × 5,450.22
4. Step 4: Simplify right side
   8,061.66x = 65,765,461.15
5. Step 5: Solve for x
   x = 65,765,461.15/8,061.66
6. Step 6: Final answer
   x = 8,157.81