Finding the Fourth Proportional to 23,991.50, 33,108.31 and 13,381.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,991.50 : 33,108.31 = 13,381.82 : x
2. Step 2: Convert to fraction form
   23,991.50/33,108.31 = 13,381.82/x
3. Step 3: Cross multiply
   23,991.50x = 33,108.31 × 13,381.82
4. Step 4: Simplify right side
   23,991.50x = 443,049,279.38
5. Step 5: Solve for x
   x = 443,049,279.38/23,991.50
6. Step 6: Final answer
   x = 18,466.93