Finding the Fourth Proportional to 16,493.72, 24,738.18 and 5,400.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,493.72 : 24,738.18 = 5,400.85 : x
2. Step 2: Convert to fraction form
   16,493.72/24,738.18 = 5,400.85/x
3. Step 3: Cross multiply
   16,493.72x = 24,738.18 × 5,400.85
4. Step 4: Simplify right side
   16,493.72x = 133,607,199.45
5. Step 5: Solve for x
   x = 133,607,199.45/16,493.72
6. Step 6: Final answer
   x = 8,100.49