Finding the Fourth Proportional to 23,152.45, 31,950.39 and 12,542.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,152.45 : 31,950.39 = 12,542.05 : x
2. Step 2: Convert to fraction form
   23,152.45/31,950.39 = 12,542.05/x
3. Step 3: Cross multiply
   23,152.45x = 31,950.39 × 12,542.05
4. Step 4: Simplify right side
   23,152.45x = 400,723,388.90
5. Step 5: Solve for x
   x = 400,723,388.90/23,152.45
6. Step 6: Final answer
   x = 17,308.03