Finding the Fourth Proportional to 23,991.42, 33,108.22 and 13,381.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,991.42 : 33,108.22 = 13,381.74 : x
2. Step 2: Convert to fraction form
   23,991.42/33,108.22 = 13,381.74/x
3. Step 3: Cross multiply
   23,991.42x = 33,108.22 × 13,381.74
4. Step 4: Simplify right side
   23,991.42x = 443,045,591.90
5. Step 5: Solve for x
   x = 443,045,591.90/23,991.42
6. Step 6: Final answer
   x = 18,466.83