Finding the Fourth Proportional to 20,559.96, 30,798.83 and 9,451.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,559.96 : 30,798.83 = 9,451.42 : x
2. Step 2: Convert to fraction form
   20,559.96/30,798.83 = 9,451.42/x
3. Step 3: Cross multiply
   20,559.96x = 30,798.83 × 9,451.42
4. Step 4: Simplify right side
   20,559.96x = 291,092,624.47
5. Step 5: Solve for x
   x = 291,092,624.47/20,559.96
6. Step 6: Final answer
   x = 14,158.23