Finding the Fourth Proportional to 2,847.89, 4,270.01 and 1,386.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.89 : 4,270.01 = 1,386.24 : x
2. Step 2: Convert to fraction form
   2,847.89/4,270.01 = 1,386.24/x
3. Step 3: Cross multiply
   2,847.89x = 4,270.01 × 1,386.24
4. Step 4: Simplify right side
   2,847.89x = 5,919,251.73
5. Step 5: Solve for x
   x = 5,919,251.73/2,847.89
6. Step 6: Final answer
   x = 2,078.47