Finding the Fourth Proportional to 16,155.12, 22,293.93 and 9,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,155.12 : 22,293.93 = 9,081.57 : x
2. Step 2: Convert to fraction form
   16,155.12/22,293.93 = 9,081.57/x
3. Step 3: Cross multiply
   16,155.12x = 22,293.93 × 9,081.57
4. Step 4: Simplify right side
   16,155.12x = 202,463,885.87
5. Step 5: Solve for x
   x = 202,463,885.87/16,155.12
6. Step 6: Final answer
   x = 12,532.49