Finding the Fourth Proportional to 2,410.88, 3,616.86 and 871.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.88 : 3,616.86 = 871.88 : x
2. Step 2: Convert to fraction form
   2,410.88/3,616.86 = 871.88/x
3. Step 3: Cross multiply
   2,410.88x = 3,616.86 × 871.88
4. Step 4: Simplify right side
   2,410.88x = 3,153,449.81
5. Step 5: Solve for x
   x = 3,153,449.81/2,410.88
6. Step 6: Final answer
   x = 1,308.01