Finding the Fourth Proportional to 9,974.33, 13,763.48 and 5,724.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.33 : 13,763.48 = 5,724.26 : x
2. Step 2: Convert to fraction form
   9,974.33/13,763.48 = 5,724.26/x
3. Step 3: Cross multiply
   9,974.33x = 13,763.48 × 5,724.26
4. Step 4: Simplify right side
   9,974.33x = 78,785,640.59
5. Step 5: Solve for x
   x = 78,785,640.59/9,974.33
6. Step 6: Final answer
   x = 7,898.84