Finding the Fourth Proportional to 2,519.82, 3,779.72 and 980.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.82 : 3,779.72 = 980.82 : x
2. Step 2: Convert to fraction form
   2,519.82/3,779.72 = 980.82/x
3. Step 3: Cross multiply
   2,519.82x = 3,779.72 × 980.82
4. Step 4: Simplify right side
   2,519.82x = 3,707,220.07
5. Step 5: Solve for x
   x = 3,707,220.07/2,519.82
6. Step 6: Final answer
   x = 1,471.22