Finding the Fourth Proportional to 23,993.17, 33,113.15 and 13,386.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,993.17 : 33,113.15 = 13,386.49 : x
2. Step 2: Convert to fraction form
   23,993.17/33,113.15 = 13,386.49/x
3. Step 3: Cross multiply
   23,993.17x = 33,113.15 × 13,386.49
4. Step 4: Simplify right side
   23,993.17x = 443,268,851.34
5. Step 5: Solve for x
   x = 443,268,851.34/23,993.17
6. Step 6: Final answer
   x = 18,474.79