Finding the Fourth Proportional to 1,777.03, 2,452.31 and 980.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.03 : 2,452.31 = 980.38 : x
2. Step 2: Convert to fraction form
   1,777.03/2,452.31 = 980.38/x
3. Step 3: Cross multiply
   1,777.03x = 2,452.31 × 980.38
4. Step 4: Simplify right side
   1,777.03x = 2,404,205.10
5. Step 5: Solve for x
   x = 2,404,205.10/1,777.03
6. Step 6: Final answer
   x = 1,352.93