Finding the Fourth Proportional to 1,441.91, 1,989.53 and 882.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.91 : 1,989.53 = 882.50 : x
2. Step 2: Convert to fraction form
   1,441.91/1,989.53 = 882.50/x
3. Step 3: Cross multiply
   1,441.91x = 1,989.53 × 882.50
4. Step 4: Simplify right side
   1,441.91x = 1,755,767.41
5. Step 5: Solve for x
   x = 1,755,767.41/1,441.91
6. Step 6: Final answer
   x = 1,217.67