Finding the Fourth Proportional to 5,094.86, 7,031.22 and 2,856.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,094.86 : 7,031.22 = 2,856.68 : x
2. Step 2: Convert to fraction form
   5,094.86/7,031.22 = 2,856.68/x
3. Step 3: Cross multiply
   5,094.86x = 7,031.22 × 2,856.68
4. Step 4: Simplify right side
   5,094.86x = 20,085,945.55
5. Step 5: Solve for x
   x = 20,085,945.55/5,094.86
6. Step 6: Final answer
   x = 3,942.39