Finding the Fourth Proportional to 2,150.66, 3,224.61 and 979.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.66 : 3,224.61 = 979.46 : x
2. Step 2: Convert to fraction form
   2,150.66/3,224.61 = 979.46/x
3. Step 3: Cross multiply
   2,150.66x = 3,224.61 × 979.46
4. Step 4: Simplify right side
   2,150.66x = 3,158,376.51
5. Step 5: Solve for x
   x = 3,158,376.51/2,150.66
6. Step 6: Final answer
   x = 1,468.56