Finding the Fourth Proportional to 2,331.42, 3,498.52 and 871.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.42 : 3,498.52 = 871.62 : x
2. Step 2: Convert to fraction form
   2,331.42/3,498.52 = 871.62/x
3. Step 3: Cross multiply
   2,331.42x = 3,498.52 × 871.62
4. Step 4: Simplify right side
   2,331.42x = 3,049,380.00
5. Step 5: Solve for x
   x = 3,049,380.00/2,331.42
6. Step 6: Final answer
   x = 1,307.95