Finding the Fourth Proportional to 11,629.31, 17,436.67 and 7,676.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,629.31 : 17,436.67 = 7,676.37 : x
2. Step 2: Convert to fraction form
   11,629.31/17,436.67 = 7,676.37/x
3. Step 3: Cross multiply
   11,629.31x = 17,436.67 × 7,676.37
4. Step 4: Simplify right side
   11,629.31x = 133,850,311.30
5. Step 5: Solve for x
   x = 133,850,311.30/11,629.31
6. Step 6: Final answer
   x = 11,509.74