Finding the Fourth Proportional to 23,400.23, 32,292.24 and 12,789.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,400.23 : 32,292.24 = 12,789.86 : x
2. Step 2: Convert to fraction form
   23,400.23/32,292.24 = 12,789.86/x
3. Step 3: Cross multiply
   23,400.23x = 32,292.24 × 12,789.86
4. Step 4: Simplify right side
   23,400.23x = 413,013,067.23
5. Step 5: Solve for x
   x = 413,013,067.23/23,400.23
6. Step 6: Final answer
   x = 17,649.96