Finding the Fourth Proportional to 3,222.84, 4,833.37 and 1,142.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.84 : 4,833.37 = 1,142.57 : x
2. Step 2: Convert to fraction form
   3,222.84/4,833.37 = 1,142.57/x
3. Step 3: Cross multiply
   3,222.84x = 4,833.37 × 1,142.57
4. Step 4: Simplify right side
   3,222.84x = 5,522,463.56
5. Step 5: Solve for x
   x = 5,522,463.56/3,222.84
6. Step 6: Final answer
   x = 1,713.54