Finding the Fourth Proportional to 5,142.54, 7,096.85 and 2,904.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.54 : 7,096.85 = 2,904.47 : x
2. Step 2: Convert to fraction form
   5,142.54/7,096.85 = 2,904.47/x
3. Step 3: Cross multiply
   5,142.54x = 7,096.85 × 2,904.47
4. Step 4: Simplify right side
   5,142.54x = 20,612,587.92
5. Step 5: Solve for x
   x = 20,612,587.92/5,142.54
6. Step 6: Final answer
   x = 4,008.25