Finding the Fourth Proportional to 2,518.02, 3,778.85 and 1,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.02 : 3,778.85 = 1,424.52 : x
2. Step 2: Convert to fraction form
   2,518.02/3,778.85 = 1,424.52/x
3. Step 3: Cross multiply
   2,518.02x = 3,778.85 × 1,424.52
4. Step 4: Simplify right side
   2,518.02x = 5,383,050.96
5. Step 5: Solve for x
   x = 5,383,050.96/2,518.02
6. Step 6: Final answer
   x = 2,137.81