Finding the Fourth Proportional to 23,689.98, 32,690.76 and 12,932.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,689.98 : 32,690.76 = 12,932.71 : x
2. Step 2: Convert to fraction form
   23,689.98/32,690.76 = 12,932.71/x
3. Step 3: Cross multiply
   23,689.98x = 32,690.76 × 12,932.71
4. Step 4: Simplify right side
   23,689.98x = 422,780,118.76
5. Step 5: Solve for x
   x = 422,780,118.76/23,689.98
6. Step 6: Final answer
   x = 17,846.37