Finding the Fourth Proportional to 10,711.10, 16,066.78 and 4,472.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,711.10 : 16,066.78 = 4,472.06 : x
2. Step 2: Convert to fraction form
   10,711.10/16,066.78 = 4,472.06/x
3. Step 3: Cross multiply
   10,711.10x = 16,066.78 × 4,472.06
4. Step 4: Simplify right side
   10,711.10x = 71,851,604.17
5. Step 5: Solve for x
   x = 71,851,604.17/10,711.10
6. Step 6: Final answer
   x = 6,708.14