Finding the Fourth Proportional to 1,441.60, 1,989.56 and 882.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.60 : 1,989.56 = 882.44 : x
2. Step 2: Convert to fraction form
   1,441.60/1,989.56 = 882.44/x
3. Step 3: Cross multiply
   1,441.60x = 1,989.56 × 882.44
4. Step 4: Simplify right side
   1,441.60x = 1,755,667.33
5. Step 5: Solve for x
   x = 1,755,667.33/1,441.60
6. Step 6: Final answer
   x = 1,217.86