Finding the Fourth Proportional to 11,695.50, 16,140.06 and 7,222.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,695.50 : 16,140.06 = 7,222.32 : x
2. Step 2: Convert to fraction form
   11,695.50/16,140.06 = 7,222.32/x
3. Step 3: Cross multiply
   11,695.50x = 16,140.06 × 7,222.32
4. Step 4: Simplify right side
   11,695.50x = 116,568,678.14
5. Step 5: Solve for x
   x = 116,568,678.14/11,695.50
6. Step 6: Final answer
   x = 9,966.97