Finding the Fourth Proportional to 7,282.30, 10,049.54 and 4,139.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,282.30 : 10,049.54 = 4,139.09 : x
2. Step 2: Convert to fraction form
   7,282.30/10,049.54 = 4,139.09/x
3. Step 3: Cross multiply
   7,282.30x = 10,049.54 × 4,139.09
4. Step 4: Simplify right side
   7,282.30x = 41,595,950.52
5. Step 5: Solve for x
   x = 41,595,950.52/7,282.30
6. Step 6: Final answer
   x = 5,711.93