Finding the Fourth Proportional to 31,256.27, 43,136.61 and 17,111.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,256.27 : 43,136.61 = 17,111.24 : x
2. Step 2: Convert to fraction form
   31,256.27/43,136.61 = 17,111.24/x
3. Step 3: Cross multiply
   31,256.27x = 43,136.61 × 17,111.24
4. Step 4: Simplify right side
   31,256.27x = 738,120,886.50
5. Step 5: Solve for x
   x = 738,120,886.50/31,256.27
6. Step 6: Final answer
   x = 23,615.13