Finding the Fourth Proportional to 2,382.18, 3,573.60 and 822.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.18 : 3,573.60 = 822.58 : x
2. Step 2: Convert to fraction form
   2,382.18/3,573.60 = 822.58/x
3. Step 3: Cross multiply
   2,382.18x = 3,573.60 × 822.58
4. Step 4: Simplify right side
   2,382.18x = 2,939,571.89
5. Step 5: Solve for x
   x = 2,939,571.89/2,382.18
6. Step 6: Final answer
   x = 1,233.98