Finding the Fourth Proportional to 5,085.55, 7,018.06 and 2,847.95

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.55 : 7,018.06 = 2,847.95 : x
2. Step 2: Convert to fraction form
   5,085.55/7,018.06 = 2,847.95/x
3. Step 3: Cross multiply
   5,085.55x = 7,018.06 × 2,847.95
4. Step 4: Simplify right side
   5,085.55x = 19,987,085.15
5. Step 5: Solve for x
   x = 19,987,085.15/5,085.55
6. Step 6: Final answer
   x = 3,930.17