Finding the Fourth Proportional to 11,679.15, 16,134.77 and 7,655.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,679.15 : 16,134.77 = 7,655.52 : x
2. Step 2: Convert to fraction form
   11,679.15/16,134.77 = 7,655.52/x
3. Step 3: Cross multiply
   11,679.15x = 16,134.77 × 7,655.52
4. Step 4: Simplify right side
   11,679.15x = 123,520,016.15
5. Step 5: Solve for x
   x = 123,520,016.15/11,679.15
6. Step 6: Final answer
   x = 10,576.11