Finding the Fourth Proportional to 16,047.50, 22,145.81 and 8,877.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,047.50 : 22,145.81 = 8,877.78 : x
2. Step 2: Convert to fraction form
   16,047.50/22,145.81 = 8,877.78/x
3. Step 3: Cross multiply
   16,047.50x = 22,145.81 × 8,877.78
4. Step 4: Simplify right side
   16,047.50x = 196,605,584.71
5. Step 5: Solve for x
   x = 196,605,584.71/16,047.50
6. Step 6: Final answer
   x = 12,251.48