Finding the Fourth Proportional to 2,572.16, 3,849.84 and 1,399.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.16 : 3,849.84 = 1,399.23 : x
2. Step 2: Convert to fraction form
   2,572.16/3,849.84 = 1,399.23/x
3. Step 3: Cross multiply
   2,572.16x = 3,849.84 × 1,399.23
4. Step 4: Simplify right side
   2,572.16x = 5,386,811.62
5. Step 5: Solve for x
   x = 5,386,811.62/2,572.16
6. Step 6: Final answer
   x = 2,094.28