Finding the Fourth Proportional to 11,911.14, 16,437.89 and 6,605.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.14 : 16,437.89 = 6,605.96 : x
2. Step 2: Convert to fraction form
   11,911.14/16,437.89 = 6,605.96/x
3. Step 3: Cross multiply
   11,911.14x = 16,437.89 × 6,605.96
4. Step 4: Simplify right side
   11,911.14x = 108,587,978.15
5. Step 5: Solve for x
   x = 108,587,978.15/11,911.14
6. Step 6: Final answer
   x = 9,116.51