Finding the Fourth Proportional to 23,550.35, 32,499.45 and 12,939.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.35 : 32,499.45 = 12,939.99 : x
2. Step 2: Convert to fraction form
   23,550.35/32,499.45 = 12,939.99/x
3. Step 3: Cross multiply
   23,550.35x = 32,499.45 × 12,939.99
4. Step 4: Simplify right side
   23,550.35x = 420,542,558.01
5. Step 5: Solve for x
   x = 420,542,558.01/23,550.35
6. Step 6: Final answer
   x = 17,857.17