Finding the Fourth Proportional to 2,604.92, 3,907.98 and 873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.92 : 3,907.98 = 873.50 : x
2. Step 2: Convert to fraction form
   2,604.92/3,907.98 = 873.50/x
3. Step 3: Cross multiply
   2,604.92x = 3,907.98 × 873.50
4. Step 4: Simplify right side
   2,604.92x = 3,413,620.53
5. Step 5: Solve for x
   x = 3,413,620.53/2,604.92
6. Step 6: Final answer
   x = 1,310.45