Finding the Fourth Proportional to 11,684.71, 16,116.42 and 7,206.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,684.71 : 16,116.42 = 7,206.82 : x
2. Step 2: Convert to fraction form
   11,684.71/16,116.42 = 7,206.82/x
3. Step 3: Cross multiply
   11,684.71x = 16,116.42 × 7,206.82
4. Step 4: Simplify right side
   11,684.71x = 116,148,137.98
5. Step 5: Solve for x
   x = 116,148,137.98/11,684.71
6. Step 6: Final answer
   x = 9,940.18