Finding the Fourth Proportional to 7,834.24, 10,801.92 and 7,173.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,834.24 : 10,801.92 = 7,173.28 : x
2. Step 2: Convert to fraction form
   7,834.24/10,801.92 = 7,173.28/x
3. Step 3: Cross multiply
   7,834.24x = 10,801.92 × 7,173.28
4. Step 4: Simplify right side
   7,834.24x = 77,485,196.70
5. Step 5: Solve for x
   x = 77,485,196.70/7,834.24
6. Step 6: Final answer
   x = 9,890.58