Finding the Fourth Proportional to 2,607.62, 3,912.23 and 876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.62 : 3,912.23 = 876.10 : x
2. Step 2: Convert to fraction form
   2,607.62/3,912.23 = 876.10/x
3. Step 3: Cross multiply
   2,607.62x = 3,912.23 × 876.10
4. Step 4: Simplify right side
   2,607.62x = 3,427,504.70
5. Step 5: Solve for x
   x = 3,427,504.70/2,607.62
6. Step 6: Final answer
   x = 1,314.42