Finding the Fourth Proportional to 2,835.55, 4,253.55 and 887.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.55 : 4,253.55 = 887.75 : x
2. Step 2: Convert to fraction form
   2,835.55/4,253.55 = 887.75/x
3. Step 3: Cross multiply
   2,835.55x = 4,253.55 × 887.75
4. Step 4: Simplify right side
   2,835.55x = 3,776,063.31
5. Step 5: Solve for x
   x = 3,776,063.31/2,835.55
6. Step 6: Final answer
   x = 1,331.69