Finding the Fourth Proportional to 11,946.43, 16,478.88 and 7,696.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,946.43 : 16,478.88 = 7,696.09 : x
2. Step 2: Convert to fraction form
   11,946.43/16,478.88 = 7,696.09/x
3. Step 3: Cross multiply
   11,946.43x = 16,478.88 × 7,696.09
4. Step 4: Simplify right side
   11,946.43x = 126,822,943.58
5. Step 5: Solve for x
   x = 126,822,943.58/11,946.43
6. Step 6: Final answer
   x = 10,615.97