Finding the Fourth Proportional to 2,698.56, 4,048.31 and 1,117.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.56 : 4,048.31 = 1,117.27 : x
2. Step 2: Convert to fraction form
   2,698.56/4,048.31 = 1,117.27/x
3. Step 3: Cross multiply
   2,698.56x = 4,048.31 × 1,117.27
4. Step 4: Simplify right side
   2,698.56x = 4,523,055.31
5. Step 5: Solve for x
   x = 4,523,055.31/2,698.56
6. Step 6: Final answer
   x = 1,676.10