Finding the Fourth Proportional to 23,312.72, 32,155.56 and 13,874

Step by Step Solution

1. Step 1: Write the proportion equation
   23,312.72 : 32,155.56 = 13,874 : x
2. Step 2: Convert to fraction form
   23,312.72/32,155.56 = 13,874/x
3. Step 3: Cross multiply
   23,312.72x = 32,155.56 × 13,874
4. Step 4: Simplify right side
   23,312.72x = 446,126,239.44
5. Step 5: Solve for x
   x = 446,126,239.44/23,312.72
6. Step 6: Final answer
   x = 19,136.60