Finding the Fourth Proportional to 11,085.99, 16,631.73 and 3,294.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.99 : 16,631.73 = 3,294.78 : x
2. Step 2: Convert to fraction form
   11,085.99/16,631.73 = 3,294.78/x
3. Step 3: Cross multiply
   11,085.99x = 16,631.73 × 3,294.78
4. Step 4: Simplify right side
   11,085.99x = 54,797,891.37
5. Step 5: Solve for x
   x = 54,797,891.37/11,085.99
6. Step 6: Final answer
   x = 4,942.99