Finding the Fourth Proportional to 2,095.34, 3,139.04 and 1,399.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.34 : 3,139.04 = 1,399.92 : x
2. Step 2: Convert to fraction form
   2,095.34/3,139.04 = 1,399.92/x
3. Step 3: Cross multiply
   2,095.34x = 3,139.04 × 1,399.92
4. Step 4: Simplify right side
   2,095.34x = 4,394,404.88
5. Step 5: Solve for x
   x = 4,394,404.88/2,095.34
6. Step 6: Final answer
   x = 2,097.23