Finding the Fourth Proportional to 9,066.42, 12,512.12 and 5,665.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.42 : 12,512.12 = 5,665.49 : x
2. Step 2: Convert to fraction form
   9,066.42/12,512.12 = 5,665.49/x
3. Step 3: Cross multiply
   9,066.42x = 12,512.12 × 5,665.49
4. Step 4: Simplify right side
   9,066.42x = 70,887,199.85
5. Step 5: Solve for x
   x = 70,887,199.85/9,066.42
6. Step 6: Final answer
   x = 7,818.65