Finding the Fourth Proportional to 5,085.62, 7,018.41 and 2,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.62 : 7,018.41 = 2,847.50 : x
2. Step 2: Convert to fraction form
   5,085.62/7,018.41 = 2,847.50/x
3. Step 3: Cross multiply
   5,085.62x = 7,018.41 × 2,847.50
4. Step 4: Simplify right side
   5,085.62x = 19,984,925.29
5. Step 5: Solve for x
   x = 19,984,925.29/5,085.62
6. Step 6: Final answer
   x = 3,929.69