Finding the Fourth Proportional to 8,066.10, 11,269.50 and 8,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,066.10 : 11,269.50 = 8,066.10 : x
2. Step 2: Convert to fraction form
   8,066.10/11,269.50 = 8,066.10/x
3. Step 3: Cross multiply
   8,066.10x = 11,269.50 × 8,066.10
4. Step 4: Simplify right side
   8,066.10x = 90,900,913.95
5. Step 5: Solve for x
   x = 90,900,913.95/8,066.10
6. Step 6: Final answer
   x = 11,269.50