Finding the Fourth Proportional to 1,629.94, 2,443.70 and 980.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.94 : 2,443.70 = 980.52 : x
2. Step 2: Convert to fraction form
   1,629.94/2,443.70 = 980.52/x
3. Step 3: Cross multiply
   1,629.94x = 2,443.70 × 980.52
4. Step 4: Simplify right side
   1,629.94x = 2,396,097.93
5. Step 5: Solve for x
   x = 2,396,097.93/1,629.94
6. Step 6: Final answer
   x = 1,470.05