Finding the Fourth Proportional to 3,444.84, 5,166.48 and 979.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,444.84 : 5,166.48 = 979.60 : x
2. Step 2: Convert to fraction form
   3,444.84/5,166.48 = 979.60/x
3. Step 3: Cross multiply
   3,444.84x = 5,166.48 × 979.60
4. Step 4: Simplify right side
   3,444.84x = 5,061,086.59
5. Step 5: Solve for x
   x = 5,061,086.59/3,444.84
6. Step 6: Final answer
   x = 1,469.18