Finding the Fourth Proportional to 20,740.49, 31,112.30 and 5,949.29

Step by Step Solution

1. Step 1: Write the proportion equation
   20,740.49 : 31,112.30 = 5,949.29 : x
2. Step 2: Convert to fraction form
   20,740.49/31,112.30 = 5,949.29/x
3. Step 3: Cross multiply
   20,740.49x = 31,112.30 × 5,949.29
4. Step 4: Simplify right side
   20,740.49x = 185,096,065.52
5. Step 5: Solve for x
   x = 185,096,065.52/20,740.49
6. Step 6: Final answer
   x = 8,924.38