Finding the Fourth Proportional to 23,247.86, 32,081.82 and 12,636.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,247.86 : 32,081.82 = 12,636.86 : x
2. Step 2: Convert to fraction form
   23,247.86/32,081.82 = 12,636.86/x
3. Step 3: Cross multiply
   23,247.86x = 32,081.82 × 12,636.86
4. Step 4: Simplify right side
   23,247.86x = 405,413,467.89
5. Step 5: Solve for x
   x = 405,413,467.89/23,247.86
6. Step 6: Final answer
   x = 17,438.74