Finding the Fourth Proportional to 7,066.63, 10,635.39 and 5,320.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,066.63 : 10,635.39 = 5,320.68 : x
2. Step 2: Convert to fraction form
   7,066.63/10,635.39 = 5,320.68/x
3. Step 3: Cross multiply
   7,066.63x = 10,635.39 × 5,320.68
4. Step 4: Simplify right side
   7,066.63x = 56,587,506.87
5. Step 5: Solve for x
   x = 56,587,506.87/7,066.63
6. Step 6: Final answer
   x = 8,007.71