Finding the Fourth Proportional to 8,068.66, 12,077.06 and 5,457.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,068.66 : 12,077.06 = 5,457.22 : x
2. Step 2: Convert to fraction form
   8,068.66/12,077.06 = 5,457.22/x
3. Step 3: Cross multiply
   8,068.66x = 12,077.06 × 5,457.22
4. Step 4: Simplify right side
   8,068.66x = 65,907,173.37
5. Step 5: Solve for x
   x = 65,907,173.37/8,068.66
6. Step 6: Final answer
   x = 8,168.29