Finding the Fourth Proportional to 2,624.22, 3,935.32 and 980.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.22 : 3,935.32 = 980.42 : x
2. Step 2: Convert to fraction form
   2,624.22/3,935.32 = 980.42/x
3. Step 3: Cross multiply
   2,624.22x = 3,935.32 × 980.42
4. Step 4: Simplify right side
   2,624.22x = 3,858,244.31
5. Step 5: Solve for x
   x = 3,858,244.31/2,624.22
6. Step 6: Final answer
   x = 1,470.24