Finding the Fourth Proportional to 2,698.72, 4,048.04 and 1,056.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.72 : 4,048.04 = 1,056.42 : x
2. Step 2: Convert to fraction form
   2,698.72/4,048.04 = 1,056.42/x
3. Step 3: Cross multiply
   2,698.72x = 4,048.04 × 1,056.42
4. Step 4: Simplify right side
   2,698.72x = 4,276,433.06
5. Step 5: Solve for x
   x = 4,276,433.06/2,698.72
6. Step 6: Final answer
   x = 1,584.62