Finding the Fourth Proportional to 2,830.89, 4,246.25 and 882.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.89 : 4,246.25 = 882.57 : x
2. Step 2: Convert to fraction form
   2,830.89/4,246.25 = 882.57/x
3. Step 3: Cross multiply
   2,830.89x = 4,246.25 × 882.57
4. Step 4: Simplify right side
   2,830.89x = 3,747,608.45
5. Step 5: Solve for x
   x = 3,747,608.45/2,830.89
6. Step 6: Final answer
   x = 1,323.83