Finding the Fourth Proportional to 16,323.72, 22,526.81 and 9,518.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,323.72 : 22,526.81 = 9,518.77 : x
2. Step 2: Convert to fraction form
   16,323.72/22,526.81 = 9,518.77/x
3. Step 3: Cross multiply
   16,323.72x = 22,526.81 × 9,518.77
4. Step 4: Simplify right side
   16,323.72x = 214,427,523.22
5. Step 5: Solve for x
   x = 214,427,523.22/16,323.72
6. Step 6: Final answer
   x = 13,135.95