Finding the Fourth Proportional to 10,934.93, 16,383.57 and 8,609.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,934.93 : 16,383.57 = 8,609.83 : x
2. Step 2: Convert to fraction form
   10,934.93/16,383.57 = 8,609.83/x
3. Step 3: Cross multiply
   10,934.93x = 16,383.57 × 8,609.83
4. Step 4: Simplify right side
   10,934.93x = 141,059,679.25
5. Step 5: Solve for x
   x = 141,059,679.25/10,934.93
6. Step 6: Final answer
   x = 12,899.91