Finding the Fourth Proportional to 23,550.16, 32,499.42 and 12,939.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,550.16 : 32,499.42 = 12,939.98 : x
2. Step 2: Convert to fraction form
   23,550.16/32,499.42 = 12,939.98/x
3. Step 3: Cross multiply
   23,550.16x = 32,499.42 × 12,939.98
4. Step 4: Simplify right side
   23,550.16x = 420,541,844.81
5. Step 5: Solve for x
   x = 420,541,844.81/23,550.16
6. Step 6: Final answer
   x = 17,857.28