Finding the Fourth Proportional to 3,111.37, 4,293.79 and 1,785.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.37 : 4,293.79 = 1,785.33 : x
2. Step 2: Convert to fraction form
   3,111.37/4,293.79 = 1,785.33/x
3. Step 3: Cross multiply
   3,111.37x = 4,293.79 × 1,785.33
4. Step 4: Simplify right side
   3,111.37x = 7,665,827.64
5. Step 5: Solve for x
   x = 7,665,827.64/3,111.37
6. Step 6: Final answer
   x = 2,463.81