Finding the Fourth Proportional to 8,066.01, 12,102.42 and 3,909.11

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.01 : 12,102.42 = 3,909.11 : x
2. Step 2: Convert to fraction form
   8,066.01/12,102.42 = 3,909.11/x
3. Step 3: Cross multiply
   8,066.01x = 12,102.42 × 3,909.11
4. Step 4: Simplify right side
   8,066.01x = 47,309,630.53
5. Step 5: Solve for x
   x = 47,309,630.53/8,066.01
6. Step 6: Final answer
   x = 5,865.31