Finding the Fourth Proportional to 10,995.42, 16,488.57 and 7,662.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.42 : 16,488.57 = 7,662.27 : x
2. Step 2: Convert to fraction form
   10,995.42/16,488.57 = 7,662.27/x
3. Step 3: Cross multiply
   10,995.42x = 16,488.57 × 7,662.27
4. Step 4: Simplify right side
   10,995.42x = 126,339,875.25
5. Step 5: Solve for x
   x = 126,339,875.25/10,995.42
6. Step 6: Final answer
   x = 11,490.23