Finding the Fourth Proportional to 23,651.98, 32,639.29 and 12,896.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,651.98 : 32,639.29 = 12,896.98 : x
2. Step 2: Convert to fraction form
   23,651.98/32,639.29 = 12,896.98/x
3. Step 3: Cross multiply
   23,651.98x = 32,639.29 × 12,896.98
4. Step 4: Simplify right side
   23,651.98x = 420,948,270.34
5. Step 5: Solve for x
   x = 420,948,270.34/23,651.98
6. Step 6: Final answer
   x = 17,797.59