Finding the Fourth Proportional to 8,061.06, 12,080.34 and 4,355.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.06 : 12,080.34 = 4,355.30 : x
2. Step 2: Convert to fraction form
   8,061.06/12,080.34 = 4,355.30/x
3. Step 3: Cross multiply
   8,061.06x = 12,080.34 × 4,355.30
4. Step 4: Simplify right side
   8,061.06x = 52,613,504.80
5. Step 5: Solve for x
   x = 52,613,504.80/8,061.06
6. Step 6: Final answer
   x = 6,526.87