Finding the Fourth Proportional to 16,663.50, 22,995.69 and 9,109.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663.50 : 22,995.69 = 9,109.98 : x
2. Step 2: Convert to fraction form
   16,663.50/22,995.69 = 9,109.98/x
3. Step 3: Cross multiply
   16,663.50x = 22,995.69 × 9,109.98
4. Step 4: Simplify right side
   16,663.50x = 209,490,275.99
5. Step 5: Solve for x
   x = 209,490,275.99/16,663.50
6. Step 6: Final answer
   x = 12,571.81