Finding the Fourth Proportional to 11,713.89, 16,165.23 and 7,236.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,713.89 : 16,165.23 = 7,236.63 : x
2. Step 2: Convert to fraction form
   11,713.89/16,165.23 = 7,236.63/x
3. Step 3: Cross multiply
   11,713.89x = 16,165.23 × 7,236.63
4. Step 4: Simplify right side
   11,713.89x = 116,981,788.37
5. Step 5: Solve for x
   x = 116,981,788.37/11,713.89
6. Step 6: Final answer
   x = 9,986.59