Finding the Fourth Proportional to 7,282.80, 10,041.30 and 5,391.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,282.80 : 10,041.30 = 5,391.72 : x
2. Step 2: Convert to fraction form
   7,282.80/10,041.30 = 5,391.72/x
3. Step 3: Cross multiply
   7,282.80x = 10,041.30 × 5,391.72
4. Step 4: Simplify right side
   7,282.80x = 54,139,878.04
5. Step 5: Solve for x
   x = 54,139,878.04/7,282.80
6. Step 6: Final answer
   x = 7,433.94