Finding the Fourth Proportional to 2,704.52, 4,056.89 and 855.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,704.52 : 4,056.89 = 855.67 : x
2. Step 2: Convert to fraction form
   2,704.52/4,056.89 = 855.67/x
3. Step 3: Cross multiply
   2,704.52x = 4,056.89 × 855.67
4. Step 4: Simplify right side
   2,704.52x = 3,471,359.07
5. Step 5: Solve for x
   x = 3,471,359.07/2,704.52
6. Step 6: Final answer
   x = 1,283.54