Finding the Fourth Proportional to 1,777.38, 2,452.94 and 980.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.38 : 2,452.94 = 980.83 : x
2. Step 2: Convert to fraction form
   1,777.38/2,452.94 = 980.83/x
3. Step 3: Cross multiply
   1,777.38x = 2,452.94 × 980.83
4. Step 4: Simplify right side
   1,777.38x = 2,405,917.14
5. Step 5: Solve for x
   x = 2,405,917.14/1,777.38
6. Step 6: Final answer
   x = 1,353.63