Finding the Fourth Proportional to 2,007.22, 3,010.83 and 980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.22 : 3,010.83 = 980.50 : x
2. Step 2: Convert to fraction form
   2,007.22/3,010.83 = 980.50/x
3. Step 3: Cross multiply
   2,007.22x = 3,010.83 × 980.50
4. Step 4: Simplify right side
   2,007.22x = 2,952,118.82
5. Step 5: Solve for x
   x = 2,952,118.82/2,007.22
6. Step 6: Final answer
   x = 1,470.75