Finding the Fourth Proportional to 23,789.91, 35,691.34 and 8,209.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.91 : 35,691.34 = 8,209.83 : x
2. Step 2: Convert to fraction form
   23,789.91/35,691.34 = 8,209.83/x
3. Step 3: Cross multiply
   23,789.91x = 35,691.34 × 8,209.83
4. Step 4: Simplify right side
   23,789.91x = 293,019,833.87
5. Step 5: Solve for x
   x = 293,019,833.87/23,789.91
6. Step 6: Final answer
   x = 12,316.98