Finding the Fourth Proportional to 16,074.72, 22,176.48 and 9,784.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,074.72 : 22,176.48 = 9,784.80 : x
2. Step 2: Convert to fraction form
   16,074.72/22,176.48 = 9,784.80/x
3. Step 3: Cross multiply
   16,074.72x = 22,176.48 × 9,784.80
4. Step 4: Simplify right side
   16,074.72x = 216,992,421.50
5. Step 5: Solve for x
   x = 216,992,421.50/16,074.72
6. Step 6: Final answer
   x = 13,498.99