Finding the Fourth Proportional to 23,638.75, 32,621.41 and 13,028.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,638.75 : 32,621.41 = 13,028.38 : x
2. Step 2: Convert to fraction form
   23,638.75/32,621.41 = 13,028.38/x
3. Step 3: Cross multiply
   23,638.75x = 32,621.41 × 13,028.38
4. Step 4: Simplify right side
   23,638.75x = 425,003,987.06
5. Step 5: Solve for x
   x = 425,003,987.06/23,638.75
6. Step 6: Final answer
   x = 17,979.12