Finding the Fourth Proportional to 16,259.50, 22,438.20 and 8,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,259.50 : 22,438.20 = 8,807.50 : x
2. Step 2: Convert to fraction form
   16,259.50/22,438.20 = 8,807.50/x
3. Step 3: Cross multiply
   16,259.50x = 22,438.20 × 8,807.50
4. Step 4: Simplify right side
   16,259.50x = 197,624,446.50
5. Step 5: Solve for x
   x = 197,624,446.50/16,259.50
6. Step 6: Final answer
   x = 12,154.40