Finding the Fourth Proportional to 2,747.58, 4,118.49 and 1,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.58 : 4,118.49 = 1,285.50 : x
2. Step 2: Convert to fraction form
   2,747.58/4,118.49 = 1,285.50/x
3. Step 3: Cross multiply
   2,747.58x = 4,118.49 × 1,285.50
4. Step 4: Simplify right side
   2,747.58x = 5,294,318.90
5. Step 5: Solve for x
   x = 5,294,318.90/2,747.58
6. Step 6: Final answer
   x = 1,926.90