Finding the Fourth Proportional to 2,333.18, 3,497.30 and 871.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.18 : 3,497.30 = 871.74 : x
2. Step 2: Convert to fraction form
   2,333.18/3,497.30 = 871.74/x
3. Step 3: Cross multiply
   2,333.18x = 3,497.30 × 871.74
4. Step 4: Simplify right side
   2,333.18x = 3,048,736.30
5. Step 5: Solve for x
   x = 3,048,736.30/2,333.18
6. Step 6: Final answer
   x = 1,306.69