Finding the Fourth Proportional to 3,995.89, 5,994.69 and 1,222.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.89 : 5,994.69 = 1,222.75 : x
2. Step 2: Convert to fraction form
   3,995.89/5,994.69 = 1,222.75/x
3. Step 3: Cross multiply
   3,995.89x = 5,994.69 × 1,222.75
4. Step 4: Simplify right side
   3,995.89x = 7,330,007.20
5. Step 5: Solve for x
   x = 7,330,007.20/3,995.89
6. Step 6: Final answer
   x = 1,834.39