Finding the Fourth Proportional to 3,426.72, 5,141.04 and 1,118.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.72 : 5,141.04 = 1,118.28 : x
2. Step 2: Convert to fraction form
   3,426.72/5,141.04 = 1,118.28/x
3. Step 3: Cross multiply
   3,426.72x = 5,141.04 × 1,118.28
4. Step 4: Simplify right side
   3,426.72x = 5,749,122.21
5. Step 5: Solve for x
   x = 5,749,122.21/3,426.72
6. Step 6: Final answer
   x = 1,677.73