Finding the Fourth Proportional to 1,412.94, 1,944.98 and 1,223.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.94 : 1,944.98 = 1,223.82 : x
2. Step 2: Convert to fraction form
   1,412.94/1,944.98 = 1,223.82/x
3. Step 3: Cross multiply
   1,412.94x = 1,944.98 × 1,223.82
4. Step 4: Simplify right side
   1,412.94x = 2,380,305.42
5. Step 5: Solve for x
   x = 2,380,305.42/1,412.94
6. Step 6: Final answer
   x = 1,684.65