Finding the Fourth Proportional to 5,069.42, 6,995.72 and 2,831.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,069.42 : 6,995.72 = 2,831.34 : x
2. Step 2: Convert to fraction form
   5,069.42/6,995.72 = 2,831.34/x
3. Step 3: Cross multiply
   5,069.42x = 6,995.72 × 2,831.34
4. Step 4: Simplify right side
   5,069.42x = 19,807,261.86
5. Step 5: Solve for x
   x = 19,807,261.86/5,069.42
6. Step 6: Final answer
   x = 3,907.20