Finding the Fourth Proportional to 23,998.30, 33,116.91 and 13,389.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,998.30 : 33,116.91 = 13,389.73 : x
2. Step 2: Convert to fraction form
   23,998.30/33,116.91 = 13,389.73/x
3. Step 3: Cross multiply
   23,998.30x = 33,116.91 × 13,389.73
4. Step 4: Simplify right side
   23,998.30x = 443,426,483.33
5. Step 5: Solve for x
   x = 443,426,483.33/23,998.30
6. Step 6: Final answer
   x = 18,477.41