Finding the Fourth Proportional to 2,520.72, 3,776.76 and 1,367.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.72 : 3,776.76 = 1,367.28 : x
2. Step 2: Convert to fraction form
   2,520.72/3,776.76 = 1,367.28/x
3. Step 3: Cross multiply
   2,520.72x = 3,776.76 × 1,367.28
4. Step 4: Simplify right side
   2,520.72x = 5,163,888.41
5. Step 5: Solve for x
   x = 5,163,888.41/2,520.72
6. Step 6: Final answer
   x = 2,048.58