Finding the Fourth Proportional to 23,630.69, 32,610.45 and 13,020.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,630.69 : 32,610.45 = 13,020.09 : x
2. Step 2: Convert to fraction form
   23,630.69/32,610.45 = 13,020.09/x
3. Step 3: Cross multiply
   23,630.69x = 32,610.45 × 13,020.09
4. Step 4: Simplify right side
   23,630.69x = 424,590,993.94
5. Step 5: Solve for x
   x = 424,590,993.94/23,630.69
6. Step 6: Final answer
   x = 17,967.78