Finding the Fourth Proportional to 1,511.62, 2,086.46 and 882.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.62 : 2,086.46 = 882.28 : x
2. Step 2: Convert to fraction form
   1,511.62/2,086.46 = 882.28/x
3. Step 3: Cross multiply
   1,511.62x = 2,086.46 × 882.28
4. Step 4: Simplify right side
   1,511.62x = 1,840,837.52
5. Step 5: Solve for x
   x = 1,840,837.52/1,511.62
6. Step 6: Final answer
   x = 1,217.79