Finding the Fourth Proportional to 2,624.10, 3,935.13 and 980.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.10 : 3,935.13 = 980.27 : x
2. Step 2: Convert to fraction form
   2,624.10/3,935.13 = 980.27/x
3. Step 3: Cross multiply
   2,624.10x = 3,935.13 × 980.27
4. Step 4: Simplify right side
   2,624.10x = 3,857,489.89
5. Step 5: Solve for x
   x = 3,857,489.89/2,624.10
6. Step 6: Final answer
   x = 1,470.02