Finding the Fourth Proportional to 11,789.62, 16,263.78 and 7,007.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789.62 : 16,263.78 = 7,007.38 : x
2. Step 2: Convert to fraction form
   11,789.62/16,263.78 = 7,007.38/x
3. Step 3: Cross multiply
   11,789.62x = 16,263.78 × 7,007.38
4. Step 4: Simplify right side
   11,789.62x = 113,966,486.70
5. Step 5: Solve for x
   x = 113,966,486.70/11,789.62
6. Step 6: Final answer
   x = 9,666.68