Finding the Fourth Proportional to 2,028.80, 3,036.72 and 1,053.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.80 : 3,036.72 = 1,053.56 : x
2. Step 2: Convert to fraction form
   2,028.80/3,036.72 = 1,053.56/x
3. Step 3: Cross multiply
   2,028.80x = 3,036.72 × 1,053.56
4. Step 4: Simplify right side
   2,028.80x = 3,199,366.72
5. Step 5: Solve for x
   x = 3,199,366.72/2,028.80
6. Step 6: Final answer
   x = 1,576.97