Finding the Fourth Proportional to 5,085.48, 7,017.84 and 2,847.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.48 : 7,017.84 = 2,847.45 : x
2. Step 2: Convert to fraction form
   5,085.48/7,017.84 = 2,847.45/x
3. Step 3: Cross multiply
   5,085.48x = 7,017.84 × 2,847.45
4. Step 4: Simplify right side
   5,085.48x = 19,982,974.82
5. Step 5: Solve for x
   x = 19,982,974.82/5,085.48
6. Step 6: Final answer
   x = 3,929.41