Finding the Fourth Proportional to 2,835.27, 4,253.31 and 887.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.27 : 4,253.31 = 887.67 : x
2. Step 2: Convert to fraction form
   2,835.27/4,253.31 = 887.67/x
3. Step 3: Cross multiply
   2,835.27x = 4,253.31 × 887.67
4. Step 4: Simplify right side
   2,835.27x = 3,775,535.69
5. Step 5: Solve for x
   x = 3,775,535.69/2,835.27
6. Step 6: Final answer
   x = 1,331.63