Finding the Fourth Proportional to 16,310.16, 22,505.82 and 9,591.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,310.16 : 22,505.82 = 9,591.90 : x
2. Step 2: Convert to fraction form
   16,310.16/22,505.82 = 9,591.90/x
3. Step 3: Cross multiply
   16,310.16x = 22,505.82 × 9,591.90
4. Step 4: Simplify right side
   16,310.16x = 215,873,574.86
5. Step 5: Solve for x
   x = 215,873,574.86/16,310.16
6. Step 6: Final answer
   x = 13,235.53