Finding the Fourth Proportional to 23,154.86, 31,953.79 and 12,544.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,154.86 : 31,953.79 = 12,544.47 : x
2. Step 2: Convert to fraction form
   23,154.86/31,953.79 = 12,544.47/x
3. Step 3: Cross multiply
   23,154.86x = 31,953.79 × 12,544.47
4. Step 4: Simplify right side
   23,154.86x = 400,843,375.72
5. Step 5: Solve for x
   x = 400,843,375.72/23,154.86
6. Step 6: Final answer
   x = 17,311.41