Finding the Fourth Proportional to 2,014.09, 3,019.45 and 1,399

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.09 : 3,019.45 = 1,399 : x
2. Step 2: Convert to fraction form
   2,014.09/3,019.45 = 1,399/x
3. Step 3: Cross multiply
   2,014.09x = 3,019.45 × 1,399
4. Step 4: Simplify right side
   2,014.09x = 4,224,210.55
5. Step 5: Solve for x
   x = 4,224,210.55/2,014.09
6. Step 6: Final answer
   x = 2,097.33