Finding the Fourth Proportional to 2,227.16, 3,073.98 and 1,399

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.16 : 3,073.98 = 1,399 : x
2. Step 2: Convert to fraction form
   2,227.16/3,073.98 = 1,399/x
3. Step 3: Cross multiply
   2,227.16x = 3,073.98 × 1,399
4. Step 4: Simplify right side
   2,227.16x = 4,300,498.02
5. Step 5: Solve for x
   x = 4,300,498.02/2,227.16
6. Step 6: Final answer
   x = 1,930.93