Finding the Fourth Proportional to 23,997.80, 33,116.22 and 13,389.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,997.80 : 33,116.22 = 13,389.23 : x
2. Step 2: Convert to fraction form
   23,997.80/33,116.22 = 13,389.23/x
3. Step 3: Cross multiply
   23,997.80x = 33,116.22 × 13,389.23
4. Step 4: Simplify right side
   23,997.80x = 443,400,686.31
5. Step 5: Solve for x
   x = 443,400,686.31/23,997.80
6. Step 6: Final answer
   x = 18,476.72