Finding the Fourth Proportional to 2,178.15, 3,004.79 and 1,293.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.15 : 3,004.79 = 1,293.33 : x
2. Step 2: Convert to fraction form
   2,178.15/3,004.79 = 1,293.33/x
3. Step 3: Cross multiply
   2,178.15x = 3,004.79 × 1,293.33
4. Step 4: Simplify right side
   2,178.15x = 3,886,185.05
5. Step 5: Solve for x
   x = 3,886,185.05/2,178.15
6. Step 6: Final answer
   x = 1,784.17