Finding the Fourth Proportional to 2,852.56, 4,280.46 and 1,393.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,852.56 : 4,280.46 = 1,393.48 : x
2. Step 2: Convert to fraction form
   2,852.56/4,280.46 = 1,393.48/x
3. Step 3: Cross multiply
   2,852.56x = 4,280.46 × 1,393.48
4. Step 4: Simplify right side
   2,852.56x = 5,964,735.40
5. Step 5: Solve for x
   x = 5,964,735.40/2,852.56
6. Step 6: Final answer
   x = 2,091.01