Finding the Fourth Proportional to 16,277.83, 22,465.47 and 9,108.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,277.83 : 22,465.47 = 9,108.15 : x
2. Step 2: Convert to fraction form
   16,277.83/22,465.47 = 9,108.15/x
3. Step 3: Cross multiply
   16,277.83x = 22,465.47 × 9,108.15
4. Step 4: Simplify right side
   16,277.83x = 204,618,758.25
5. Step 5: Solve for x
   x = 204,618,758.25/16,277.83
6. Step 6: Final answer
   x = 12,570.40