Finding the Fourth Proportional to 1,511.46, 2,085.75 and 882.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511.46 : 2,085.75 = 882.09 : x
2. Step 2: Convert to fraction form
   1,511.46/2,085.75 = 882.09/x
3. Step 3: Cross multiply
   1,511.46x = 2,085.75 × 882.09
4. Step 4: Simplify right side
   1,511.46x = 1,839,819.22
5. Step 5: Solve for x
   x = 1,839,819.22/1,511.46
6. Step 6: Final answer
   x = 1,217.25