Finding the Fourth Proportional to 11,888.37, 16,404.89 and 6,581.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,888.37 : 16,404.89 = 6,581.79 : x
2. Step 2: Convert to fraction form
   11,888.37/16,404.89 = 6,581.79/x
3. Step 3: Cross multiply
   11,888.37x = 16,404.89 × 6,581.79
4. Step 4: Simplify right side
   11,888.37x = 107,973,508.04
5. Step 5: Solve for x
   x = 107,973,508.04/11,888.37
6. Step 6: Final answer
   x = 9,082.28