Finding the Fourth Proportional to 1,977.33, 2,728.81 and 1,180.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.33 : 2,728.81 = 1,180.56 : x
2. Step 2: Convert to fraction form
   1,977.33/2,728.81 = 1,180.56/x
3. Step 3: Cross multiply
   1,977.33x = 2,728.81 × 1,180.56
4. Step 4: Simplify right side
   1,977.33x = 3,221,523.93
5. Step 5: Solve for x
   x = 3,221,523.93/1,977.33
6. Step 6: Final answer
   x = 1,629.23