Finding the Fourth Proportional to 5,085.42, 7,017.59 and 2,847.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.42 : 7,017.59 = 2,847.26 : x
2. Step 2: Convert to fraction form
   5,085.42/7,017.59 = 2,847.26/x
3. Step 3: Cross multiply
   5,085.42x = 7,017.59 × 2,847.26
4. Step 4: Simplify right side
   5,085.42x = 19,980,895.43
5. Step 5: Solve for x
   x = 19,980,895.43/5,085.42
6. Step 6: Final answer
   x = 3,929.05