Finding the Fourth Proportional to 16,280.28, 24,423.35 and 5,185.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,280.28 : 24,423.35 = 5,185.80 : x
2. Step 2: Convert to fraction form
   16,280.28/24,423.35 = 5,185.80/x
3. Step 3: Cross multiply
   16,280.28x = 24,423.35 × 5,185.80
4. Step 4: Simplify right side
   16,280.28x = 126,654,582.50
5. Step 5: Solve for x
   x = 126,654,582.50/16,280.28
6. Step 6: Final answer
   x = 7,779.63