Finding the Fourth Proportional to 2,410.62, 3,616.48 and 871.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.62 : 3,616.48 = 871.62 : x
2. Step 2: Convert to fraction form
   2,410.62/3,616.48 = 871.62/x
3. Step 3: Cross multiply
   2,410.62x = 3,616.48 × 871.62
4. Step 4: Simplify right side
   2,410.62x = 3,152,196.30
5. Step 5: Solve for x
   x = 3,152,196.30/2,410.62
6. Step 6: Final answer
   x = 1,307.63