Finding the Fourth Proportional to 23,628.70, 32,609.82 and 13,019.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,628.70 : 32,609.82 = 13,019.86 : x
2. Step 2: Convert to fraction form
   23,628.70/32,609.82 = 13,019.86/x
3. Step 3: Cross multiply
   23,628.70x = 32,609.82 × 13,019.86
4. Step 4: Simplify right side
   23,628.70x = 424,575,291.03
5. Step 5: Solve for x
   x = 424,575,291.03/23,628.70
6. Step 6: Final answer
   x = 17,968.63