Finding the Fourth Proportional to 1,406.82, 1,940.60 and 882.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.82 : 1,940.60 = 882.76 : x
2. Step 2: Convert to fraction form
   1,406.82/1,940.60 = 882.76/x
3. Step 3: Cross multiply
   1,406.82x = 1,940.60 × 882.76
4. Step 4: Simplify right side
   1,406.82x = 1,713,084.06
5. Step 5: Solve for x
   x = 1,713,084.06/1,406.82
6. Step 6: Final answer
   x = 1,217.70