Finding the Fourth Proportional to 23,116.44, 31,893.30 and 13,683.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,116.44 : 31,893.30 = 13,683.18 : x
2. Step 2: Convert to fraction form
   23,116.44/31,893.30 = 13,683.18/x
3. Step 3: Cross multiply
   23,116.44x = 31,893.30 × 13,683.18
4. Step 4: Simplify right side
   23,116.44x = 436,401,764.69
5. Step 5: Solve for x
   x = 436,401,764.69/23,116.44
6. Step 6: Final answer
   x = 18,878.42