Finding the Fourth Proportional to 23,688.07, 32,689 and 12,932.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,688.07 : 32,689 = 12,932.57 : x
2. Step 2: Convert to fraction form
   23,688.07/32,689 = 12,932.57/x
3. Step 3: Cross multiply
   23,688.07x = 32,689 × 12,932.57
4. Step 4: Simplify right side
   23,688.07x = 422,752,780.73
5. Step 5: Solve for x
   x = 422,752,780.73/23,688.07
6. Step 6: Final answer
   x = 17,846.65