Finding the Fourth Proportional to 11,085.69, 16,631.31 and 3,294.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.69 : 16,631.31 = 3,294.51 : x
2. Step 2: Convert to fraction form
   11,085.69/16,631.31 = 3,294.51/x
3. Step 3: Cross multiply
   11,085.69x = 16,631.31 × 3,294.51
4. Step 4: Simplify right side
   11,085.69x = 54,792,017.11
5. Step 5: Solve for x
   x = 54,792,017.11/11,085.69
6. Step 6: Final answer
   x = 4,942.59