Finding the Fourth Proportional to 31,696.10, 43,714.04 and 20,367.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,696.10 : 43,714.04 = 20,367.44 : x
2. Step 2: Convert to fraction form
   31,696.10/43,714.04 = 20,367.44/x
3. Step 3: Cross multiply
   31,696.10x = 43,714.04 × 20,367.44
4. Step 4: Simplify right side
   31,696.10x = 890,343,086.86
5. Step 5: Solve for x
   x = 890,343,086.86/31,696.10
6. Step 6: Final answer
   x = 28,089.99