Finding the Fourth Proportional to 16,159.86, 22,293.54 and 9,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,159.86 : 22,293.54 = 9,868.50 : x
2. Step 2: Convert to fraction form
   16,159.86/22,293.54 = 9,868.50/x
3. Step 3: Cross multiply
   16,159.86x = 22,293.54 × 9,868.50
4. Step 4: Simplify right side
   16,159.86x = 220,003,799.49
5. Step 5: Solve for x
   x = 220,003,799.49/16,159.86
6. Step 6: Final answer
   x = 13,614.21