Finding the Fourth Proportional to 2,018.90, 3,025.08 and 847.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.90 : 3,025.08 = 847.94 : x
2. Step 2: Convert to fraction form
   2,018.90/3,025.08 = 847.94/x
3. Step 3: Cross multiply
   2,018.90x = 3,025.08 × 847.94
4. Step 4: Simplify right side
   2,018.90x = 2,565,086.34
5. Step 5: Solve for x
   x = 2,565,086.34/2,018.90
6. Step 6: Final answer
   x = 1,270.54