Finding the Fourth Proportional to 11,910.54, 16,433.82 and 7,933.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,910.54 : 16,433.82 = 7,933.80 : x
2. Step 2: Convert to fraction form
   11,910.54/16,433.82 = 7,933.80/x
3. Step 3: Cross multiply
   11,910.54x = 16,433.82 × 7,933.80
4. Step 4: Simplify right side
   11,910.54x = 130,382,641.12
5. Step 5: Solve for x
   x = 130,382,641.12/11,910.54
6. Step 6: Final answer
   x = 10,946.83