Finding the Fourth Proportional to 16,131.80, 22,263.18 and 9,059.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.80 : 22,263.18 = 9,059.96 : x
2. Step 2: Convert to fraction form
   16,131.80/22,263.18 = 9,059.96/x
3. Step 3: Cross multiply
   16,131.80x = 22,263.18 × 9,059.96
4. Step 4: Simplify right side
   16,131.80x = 201,703,520.27
5. Step 5: Solve for x
   x = 201,703,520.27/16,131.80
6. Step 6: Final answer
   x = 12,503.47