Finding the Fourth Proportional to 2,182.70, 3,272.96 and 1,087.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.70 : 3,272.96 = 1,087.67 : x
2. Step 2: Convert to fraction form
   2,182.70/3,272.96 = 1,087.67/x
3. Step 3: Cross multiply
   2,182.70x = 3,272.96 × 1,087.67
4. Step 4: Simplify right side
   2,182.70x = 3,559,911.30
5. Step 5: Solve for x
   x = 3,559,911.30/2,182.70
6. Step 6: Final answer
   x = 1,630.96