Finding the Fourth Proportional to 3,198.86, 4,796.54 and 1,118.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198.86 : 4,796.54 = 1,118.32 : x
2. Step 2: Convert to fraction form
   3,198.86/4,796.54 = 1,118.32/x
3. Step 3: Cross multiply
   3,198.86x = 4,796.54 × 1,118.32
4. Step 4: Simplify right side
   3,198.86x = 5,364,066.61
5. Step 5: Solve for x
   x = 5,364,066.61/3,198.86
6. Step 6: Final answer
   x = 1,676.87