Finding the Fourth Proportional to 7,019.30, 10,519.62 and 3,725.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.30 : 10,519.62 = 3,725.30 : x
2. Step 2: Convert to fraction form
   7,019.30/10,519.62 = 3,725.30/x
3. Step 3: Cross multiply
   7,019.30x = 10,519.62 × 3,725.30
4. Step 4: Simplify right side
   7,019.30x = 39,188,687.79
5. Step 5: Solve for x
   x = 39,188,687.79/7,019.30
6. Step 6: Final answer
   x = 5,582.99