Finding the Fourth Proportional to 20,743.53, 31,119.90 and 5,951.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,743.53 : 31,119.90 = 5,951.31 : x
2. Step 2: Convert to fraction form
   20,743.53/31,119.90 = 5,951.31/x
3. Step 3: Cross multiply
   20,743.53x = 31,119.90 × 5,951.31
4. Step 4: Simplify right side
   20,743.53x = 185,204,172.07
5. Step 5: Solve for x
   x = 185,204,172.07/20,743.53
6. Step 6: Final answer
   x = 8,928.29