Finding the Fourth Proportional to 23,638.36, 32,621.52 and 13,029.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,638.36 : 32,621.52 = 13,029.16 : x
2. Step 2: Convert to fraction form
   23,638.36/32,621.52 = 13,029.16/x
3. Step 3: Cross multiply
   23,638.36x = 32,621.52 × 13,029.16
4. Step 4: Simplify right side
   23,638.36x = 425,031,003.52
5. Step 5: Solve for x
   x = 425,031,003.52/23,638.36
6. Step 6: Final answer
   x = 17,980.56