Finding the Fourth Proportional to 12,222.72, 16,867.37 and 6,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222.72 : 16,867.37 = 6,633.72 : x
2. Step 2: Convert to fraction form
   12,222.72/16,867.37 = 6,633.72/x
3. Step 3: Cross multiply
   12,222.72x = 16,867.37 × 6,633.72
4. Step 4: Simplify right side
   12,222.72x = 111,893,409.72
5. Step 5: Solve for x
   x = 111,893,409.72/12,222.72
6. Step 6: Final answer
   x = 9,154.54