Finding the Fourth Proportional to 9,974.34, 13,763.48 and 5,724.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.34 : 13,763.48 = 5,724.27 : x
2. Step 2: Convert to fraction form
   9,974.34/13,763.48 = 5,724.27/x
3. Step 3: Cross multiply
   9,974.34x = 13,763.48 × 5,724.27
4. Step 4: Simplify right side
   9,974.34x = 78,785,847.04
5. Step 5: Solve for x
   x = 78,785,847.04/9,974.34
6. Step 6: Final answer
   x = 7,898.85