Finding the Fourth Proportional to 5,096.62, 7,645.15 and 1,399.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,096.62 : 7,645.15 = 1,399.21 : x
2. Step 2: Convert to fraction form
   5,096.62/7,645.15 = 1,399.21/x
3. Step 3: Cross multiply
   5,096.62x = 7,645.15 × 1,399.21
4. Step 4: Simplify right side
   5,096.62x = 10,697,152.97
5. Step 5: Solve for x
   x = 10,697,152.97/5,096.62
6. Step 6: Final answer
   x = 2,098.87