Finding the Fourth Proportional to 2,847.61, 4,268.96 and 1,205.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.61 : 4,268.96 = 1,205.33 : x
2. Step 2: Convert to fraction form
   2,847.61/4,268.96 = 1,205.33/x
3. Step 3: Cross multiply
   2,847.61x = 4,268.96 × 1,205.33
4. Step 4: Simplify right side
   2,847.61x = 5,145,499.53
5. Step 5: Solve for x
   x = 5,145,499.53/2,847.61
6. Step 6: Final answer
   x = 1,806.96