Finding the Fourth Proportional to 3,187.25, 4,779.83 and 1,106.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,187.25 : 4,779.83 = 1,106.73 : x
2. Step 2: Convert to fraction form
   3,187.25/4,779.83 = 1,106.73/x
3. Step 3: Cross multiply
   3,187.25x = 4,779.83 × 1,106.73
4. Step 4: Simplify right side
   3,187.25x = 5,289,975.72
5. Step 5: Solve for x
   x = 5,289,975.72/3,187.25
6. Step 6: Final answer
   x = 1,659.73