Finding the Fourth Proportional to 2,847.32, 4,269.28 and 1,385

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.32 : 4,269.28 = 1,385 : x
2. Step 2: Convert to fraction form
   2,847.32/4,269.28 = 1,385/x
3. Step 3: Cross multiply
   2,847.32x = 4,269.28 × 1,385
4. Step 4: Simplify right side
   2,847.32x = 5,912,952.80
5. Step 5: Solve for x
   x = 5,912,952.80/2,847.32
6. Step 6: Final answer
   x = 2,076.67