Finding the Fourth Proportional to 23,630.49, 32,610.17 and 13,020.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,630.49 : 32,610.17 = 13,020.12 : x
2. Step 2: Convert to fraction form
   23,630.49/32,610.17 = 13,020.12/x
3. Step 3: Cross multiply
   23,630.49x = 32,610.17 × 13,020.12
4. Step 4: Simplify right side
   23,630.49x = 424,588,326.62
5. Step 5: Solve for x
   x = 424,588,326.62/23,630.49
6. Step 6: Final answer
   x = 17,967.82