Finding the Fourth Proportional to 1,441.79, 1,989.56 and 882.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.79 : 1,989.56 = 882.02 : x
2. Step 2: Convert to fraction form
   1,441.79/1,989.56 = 882.02/x
3. Step 3: Cross multiply
   1,441.79x = 1,989.56 × 882.02
4. Step 4: Simplify right side
   1,441.79x = 1,754,832.27
5. Step 5: Solve for x
   x = 1,754,832.27/1,441.79
6. Step 6: Final answer
   x = 1,217.12