Finding the Fourth Proportional to 5,124.24, 7,685.59 and 1,426.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,124.24 : 7,685.59 = 1,426.09 : x
2. Step 2: Convert to fraction form
   5,124.24/7,685.59 = 1,426.09/x
3. Step 3: Cross multiply
   5,124.24x = 7,685.59 × 1,426.09
4. Step 4: Simplify right side
   5,124.24x = 10,960,297.48
5. Step 5: Solve for x
   x = 10,960,297.48/5,124.24
6. Step 6: Final answer
   x = 2,138.91