Finding the Fourth Proportional to 10,789.60, 16,186.71 and 6,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.60 : 16,186.71 = 6,111.82 : x
2. Step 2: Convert to fraction form
   10,789.60/16,186.71 = 6,111.82/x
3. Step 3: Cross multiply
   10,789.60x = 16,186.71 × 6,111.82
4. Step 4: Simplify right side
   10,789.60x = 98,930,257.91
5. Step 5: Solve for x
   x = 98,930,257.91/10,789.60
6. Step 6: Final answer
   x = 9,169.04