Finding the Fourth Proportional to 16,561.53, 22,854.89 and 9,487.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,561.53 : 22,854.89 = 9,487.98 : x
2. Step 2: Convert to fraction form
   16,561.53/22,854.89 = 9,487.98/x
3. Step 3: Cross multiply
   16,561.53x = 22,854.89 × 9,487.98
4. Step 4: Simplify right side
   16,561.53x = 216,846,762.94
5. Step 5: Solve for x
   x = 216,846,762.94/16,561.53
6. Step 6: Final answer
   x = 13,093.40