Finding the Fourth Proportional to 16,323.50, 22,526.43 and 9,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,323.50 : 22,526.43 = 9,699.50 : x
2. Step 2: Convert to fraction form
   16,323.50/22,526.43 = 9,699.50/x
3. Step 3: Cross multiply
   16,323.50x = 22,526.43 × 9,699.50
4. Step 4: Simplify right side
   16,323.50x = 218,495,107.79
5. Step 5: Solve for x
   x = 218,495,107.79/16,323.50
6. Step 6: Final answer
   x = 13,385.31