Finding the Fourth Proportional to 16,565.50, 22,860.39 and 9,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,565.50 : 22,860.39 = 9,113.50 : x
2. Step 2: Convert to fraction form
   16,565.50/22,860.39 = 9,113.50/x
3. Step 3: Cross multiply
   16,565.50x = 22,860.39 × 9,113.50
4. Step 4: Simplify right side
   16,565.50x = 208,338,164.27
5. Step 5: Solve for x
   x = 208,338,164.27/16,565.50
6. Step 6: Final answer
   x = 12,576.63