Finding the Fourth Proportional to 1,408.83, 1,944.17 and 884.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.83 : 1,944.17 = 884.76 : x
2. Step 2: Convert to fraction form
   1,408.83/1,944.17 = 884.76/x
3. Step 3: Cross multiply
   1,408.83x = 1,944.17 × 884.76
4. Step 4: Simplify right side
   1,408.83x = 1,720,109.70
5. Step 5: Solve for x
   x = 1,720,109.70/1,408.83
6. Step 6: Final answer
   x = 1,220.95