Finding the Fourth Proportional to 16,439.88, 24,662.50 and 9,047.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,439.88 : 24,662.50 = 9,047.80 : x
2. Step 2: Convert to fraction form
   16,439.88/24,662.50 = 9,047.80/x
3. Step 3: Cross multiply
   16,439.88x = 24,662.50 × 9,047.80
4. Step 4: Simplify right side
   16,439.88x = 223,141,367.50
5. Step 5: Solve for x
   x = 223,141,367.50/16,439.88
6. Step 6: Final answer
   x = 13,573.17