Finding the Fourth Proportional to 23,629.58, 32,610.29 and 13,019.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.58 : 32,610.29 = 13,019.21 : x
2. Step 2: Convert to fraction form
   23,629.58/32,610.29 = 13,019.21/x
3. Step 3: Cross multiply
   23,629.58x = 32,610.29 × 13,019.21
4. Step 4: Simplify right side
   23,629.58x = 424,559,985.52
5. Step 5: Solve for x
   x = 424,559,985.52/23,629.58
6. Step 6: Final answer
   x = 17,967.31