Finding the Fourth Proportional to 11,631.39, 17,436.84 and 4,616.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,631.39 : 17,436.84 = 4,616.33 : x
2. Step 2: Convert to fraction form
   11,631.39/17,436.84 = 4,616.33/x
3. Step 3: Cross multiply
   11,631.39x = 17,436.84 × 4,616.33
4. Step 4: Simplify right side
   11,631.39x = 80,494,103.10
5. Step 5: Solve for x
   x = 80,494,103.10/11,631.39
6. Step 6: Final answer
   x = 6,920.42