Finding the Fourth Proportional to 2,025.28, 3,036.72 and 1,203.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.28 : 3,036.72 = 1,203.68 : x
2. Step 2: Convert to fraction form
   2,025.28/3,036.72 = 1,203.68/x
3. Step 3: Cross multiply
   2,025.28x = 3,036.72 × 1,203.68
4. Step 4: Simplify right side
   2,025.28x = 3,655,239.13
5. Step 5: Solve for x
   x = 3,655,239.13/2,025.28
6. Step 6: Final answer
   x = 1,804.81