Finding the Fourth Proportional to 3,508.69, 5,258.48 and 1,426.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508.69 : 5,258.48 = 1,426.27 : x
2. Step 2: Convert to fraction form
   3,508.69/5,258.48 = 1,426.27/x
3. Step 3: Cross multiply
   3,508.69x = 5,258.48 × 1,426.27
4. Step 4: Simplify right side
   3,508.69x = 7,500,012.27
5. Step 5: Solve for x
   x = 7,500,012.27/3,508.69
6. Step 6: Final answer
   x = 2,137.55