Finding the Fourth Proportional to 20,607.92, 30,908.42 and 5,813.37

Step by Step Solution

1. Step 1: Write the proportion equation
   20,607.92 : 30,908.42 = 5,813.37 : x
2. Step 2: Convert to fraction form
   20,607.92/30,908.42 = 5,813.37/x
3. Step 3: Cross multiply
   20,607.92x = 30,908.42 × 5,813.37
4. Step 4: Simplify right side
   20,607.92x = 179,682,074.31
5. Step 5: Solve for x
   x = 179,682,074.31/20,607.92
6. Step 6: Final answer
   x = 8,719.08