Finding the Fourth Proportional to 16,132.88, 22,273.72 and 13,155.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,132.88 : 22,273.72 = 13,155.86 : x
2. Step 2: Convert to fraction form
   16,132.88/22,273.72 = 13,155.86/x
3. Step 3: Cross multiply
   16,132.88x = 22,273.72 × 13,155.86
4. Step 4: Simplify right side
   16,132.88x = 293,029,942.00
5. Step 5: Solve for x
   x = 293,029,942.00/16,132.88
6. Step 6: Final answer
   x = 18,163.52