Finding the Fourth Proportional to 2,352.82, 3,528.82 and 871.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,352.82 : 3,528.82 = 871.87 : x
2. Step 2: Convert to fraction form
   2,352.82/3,528.82 = 871.87/x
3. Step 3: Cross multiply
   2,352.82x = 3,528.82 × 871.87
4. Step 4: Simplify right side
   2,352.82x = 3,076,650.29
5. Step 5: Solve for x
   x = 3,076,650.29/2,352.82
6. Step 6: Final answer
   x = 1,307.65