Finding the Fourth Proportional to 16,933.92, 25,406.10 and 7,581.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,933.92 : 25,406.10 = 7,581.78 : x
2. Step 2: Convert to fraction form
   16,933.92/25,406.10 = 7,581.78/x
3. Step 3: Cross multiply
   16,933.92x = 25,406.10 × 7,581.78
4. Step 4: Simplify right side
   16,933.92x = 192,623,460.86
5. Step 5: Solve for x
   x = 192,623,460.86/16,933.92
6. Step 6: Final answer
   x = 11,375.01