Finding the Fourth Proportional to 23,026.71, 31,776.17 and 13,957.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,026.71 : 31,776.17 = 13,957.44 : x
2. Step 2: Convert to fraction form
   23,026.71/31,776.17 = 13,957.44/x
3. Step 3: Cross multiply
   23,026.71x = 31,776.17 × 13,957.44
4. Step 4: Simplify right side
   23,026.71x = 443,514,021.10
5. Step 5: Solve for x
   x = 443,514,021.10/23,026.71
6. Step 6: Final answer
   x = 19,260.85