Finding the Fourth Proportional to 23,630.36, 32,609.89 and 13,019.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,630.36 : 32,609.89 = 13,019.90 : x
2. Step 2: Convert to fraction form
   23,630.36/32,609.89 = 13,019.90/x
3. Step 3: Cross multiply
   23,630.36x = 32,609.89 × 13,019.90
4. Step 4: Simplify right side
   23,630.36x = 424,577,343.76
5. Step 5: Solve for x
   x = 424,577,343.76/23,630.36
6. Step 6: Final answer
   x = 17,967.46