Finding the Fourth Proportional to 2,441.72, 3,659.80 and 979.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.72 : 3,659.80 = 979.16 : x
2. Step 2: Convert to fraction form
   2,441.72/3,659.80 = 979.16/x
3. Step 3: Cross multiply
   2,441.72x = 3,659.80 × 979.16
4. Step 4: Simplify right side
   2,441.72x = 3,583,529.77
5. Step 5: Solve for x
   x = 3,583,529.77/2,441.72
6. Step 6: Final answer
   x = 1,467.63