Finding the Fourth Proportional to 23,550.09, 32,499.72 and 12,939.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.09 : 32,499.72 = 12,939.99 : x
2. Step 2: Convert to fraction form
   23,550.09/32,499.72 = 12,939.99/x
3. Step 3: Cross multiply
   23,550.09x = 32,499.72 × 12,939.99
4. Step 4: Simplify right side
   23,550.09x = 420,546,051.80
5. Step 5: Solve for x
   x = 420,546,051.80/23,550.09
6. Step 6: Final answer
   x = 17,857.51