Finding the Fourth Proportional to 3,218.00, 4,825.05 and 1,108.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,218.00 : 4,825.05 = 1,108.86 : x
2. Step 2: Convert to fraction form
   3,218.00/4,825.05 = 1,108.86/x
3. Step 3: Cross multiply
   3,218.00x = 4,825.05 × 1,108.86
4. Step 4: Simplify right side
   3,218.00x = 5,350,282.69
5. Step 5: Solve for x
   x = 5,350,282.69/3,218.00
6. Step 6: Final answer
   x = 1,662.61