Finding the Fourth Proportional to 2,847.58, 4,270.55 and 1,092.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.58 : 4,270.55 = 1,092.46 : x
2. Step 2: Convert to fraction form
   2,847.58/4,270.55 = 1,092.46/x
3. Step 3: Cross multiply
   2,847.58x = 4,270.55 × 1,092.46
4. Step 4: Simplify right side
   2,847.58x = 4,665,405.05
5. Step 5: Solve for x
   x = 4,665,405.05/2,847.58
6. Step 6: Final answer
   x = 1,638.38