Finding the Fourth Proportional to 3,456.92, 5,186.04 and 1,117.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.92 : 5,186.04 = 1,117.56 : x
2. Step 2: Convert to fraction form
   3,456.92/5,186.04 = 1,117.56/x
3. Step 3: Cross multiply
   3,456.92x = 5,186.04 × 1,117.56
4. Step 4: Simplify right side
   3,456.92x = 5,795,710.86
5. Step 5: Solve for x
   x = 5,795,710.86/3,456.92
6. Step 6: Final answer
   x = 1,676.55