Finding the Fourth Proportional to 1,440.89, 1,988.37 and 882.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440.89 : 1,988.37 = 882.29 : x
2. Step 2: Convert to fraction form
   1,440.89/1,988.37 = 882.29/x
3. Step 3: Cross multiply
   1,440.89x = 1,988.37 × 882.29
4. Step 4: Simplify right side
   1,440.89x = 1,754,318.97
5. Step 5: Solve for x
   x = 1,754,318.97/1,440.89
6. Step 6: Final answer
   x = 1,217.52