Finding the Fourth Proportional to 2,697.24, 4,048.02 and 1,399.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.24 : 4,048.02 = 1,399.08 : x
2. Step 2: Convert to fraction form
   2,697.24/4,048.02 = 1,399.08/x
3. Step 3: Cross multiply
   2,697.24x = 4,048.02 × 1,399.08
4. Step 4: Simplify right side
   2,697.24x = 5,663,503.82
5. Step 5: Solve for x
   x = 5,663,503.82/2,697.24
6. Step 6: Final answer
   x = 2,099.74