Finding the Fourth Proportional to 5,086.04, 7,018.89 and 2,847.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.04 : 7,018.89 = 2,847.91 : x
2. Step 2: Convert to fraction form
   5,086.04/7,018.89 = 2,847.91/x
3. Step 3: Cross multiply
   5,086.04x = 7,018.89 × 2,847.91
4. Step 4: Simplify right side
   5,086.04x = 19,989,131.93
5. Step 5: Solve for x
   x = 19,989,131.93/5,086.04
6. Step 6: Final answer
   x = 3,930.20