Finding the Fourth Proportional to 16,087.72, 22,201.68 and 9,377.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.72 : 22,201.68 = 9,377.68 : x
2. Step 2: Convert to fraction form
   16,087.72/22,201.68 = 9,377.68/x
3. Step 3: Cross multiply
   16,087.72x = 22,201.68 × 9,377.68
4. Step 4: Simplify right side
   16,087.72x = 208,200,250.50
5. Step 5: Solve for x
   x = 208,200,250.50/16,087.72
6. Step 6: Final answer
   x = 12,941.56