Finding the Fourth Proportional to 5,143.02, 7,096.86 and 2,873.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.02 : 7,096.86 = 2,873.94 : x
2. Step 2: Convert to fraction form
   5,143.02/7,096.86 = 2,873.94/x
3. Step 3: Cross multiply
   5,143.02x = 7,096.86 × 2,873.94
4. Step 4: Simplify right side
   5,143.02x = 20,395,949.83
5. Step 5: Solve for x
   x = 20,395,949.83/5,143.02
6. Step 6: Final answer
   x = 3,965.75