Finding the Fourth Proportional to 16,049.80, 24,079.86 and 7,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,049.80 : 24,079.86 = 7,728.72 : x
2. Step 2: Convert to fraction form
   16,049.80/24,079.86 = 7,728.72/x
3. Step 3: Cross multiply
   16,049.80x = 24,079.86 × 7,728.72
4. Step 4: Simplify right side
   16,049.80x = 186,106,495.58
5. Step 5: Solve for x
   x = 186,106,495.58/16,049.80
6. Step 6: Final answer
   x = 11,595.56