Finding the Fourth Proportional to 2,624.63, 3,934.16 and 980.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.63 : 3,934.16 = 980.47 : x
2. Step 2: Convert to fraction form
   2,624.63/3,934.16 = 980.47/x
3. Step 3: Cross multiply
   2,624.63x = 3,934.16 × 980.47
4. Step 4: Simplify right side
   2,624.63x = 3,857,301.28
5. Step 5: Solve for x
   x = 3,857,301.28/2,624.63
6. Step 6: Final answer
   x = 1,469.66