Finding the Fourth Proportional to 5,096.42, 7,644.12 and 1,399.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,096.42 : 7,644.12 = 1,399.02 : x
2. Step 2: Convert to fraction form
   5,096.42/7,644.12 = 1,399.02/x
3. Step 3: Cross multiply
   5,096.42x = 7,644.12 × 1,399.02
4. Step 4: Simplify right side
   5,096.42x = 10,694,276.76
5. Step 5: Solve for x
   x = 10,694,276.76/5,096.42
6. Step 6: Final answer
   x = 2,098.39