Finding the Fourth Proportional to 23,651, 32,638.02 and 13,040.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,651 : 32,638.02 = 13,040.36 : x
2. Step 2: Convert to fraction form
   23,651/32,638.02 = 13,040.36/x
3. Step 3: Cross multiply
   23,651x = 32,638.02 × 13,040.36
4. Step 4: Simplify right side
   23,651x = 425,611,530.49
5. Step 5: Solve for x
   x = 425,611,530.49/23,651
6. Step 6: Final answer
   x = 17,995.50