Finding the Fourth Proportional to 7,426.80, 10,248.72 and 4,069.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,426.80 : 10,248.72 = 4,069.52 : x
2. Step 2: Convert to fraction form
   7,426.80/10,248.72 = 4,069.52/x
3. Step 3: Cross multiply
   7,426.80x = 10,248.72 × 4,069.52
4. Step 4: Simplify right side
   7,426.80x = 41,707,371.01
5. Step 5: Solve for x
   x = 41,707,371.01/7,426.80
6. Step 6: Final answer
   x = 5,615.79