Finding the Fourth Proportional to 5,095.34, 7,031.42 and 2,857.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,095.34 : 7,031.42 = 2,857.35 : x
2. Step 2: Convert to fraction form
   5,095.34/7,031.42 = 2,857.35/x
3. Step 3: Cross multiply
   5,095.34x = 7,031.42 × 2,857.35
4. Step 4: Simplify right side
   5,095.34x = 20,091,227.94
5. Step 5: Solve for x
   x = 20,091,227.94/5,095.34
6. Step 6: Final answer
   x = 3,943.06