Finding the Fourth Proportional to 5,142.21, 7,096.22 and 2,904.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.21 : 7,096.22 = 2,904.12 : x
2. Step 2: Convert to fraction form
   5,142.21/7,096.22 = 2,904.12/x
3. Step 3: Cross multiply
   5,142.21x = 7,096.22 × 2,904.12
4. Step 4: Simplify right side
   5,142.21x = 20,608,274.43
5. Step 5: Solve for x
   x = 20,608,274.43/5,142.21
6. Step 6: Final answer
   x = 4,007.67