Finding the Fourth Proportional to 2,018.72, 3,022.08 and 1,236.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.72 : 3,022.08 = 1,236.32 : x
2. Step 2: Convert to fraction form
   2,018.72/3,022.08 = 1,236.32/x
3. Step 3: Cross multiply
   2,018.72x = 3,022.08 × 1,236.32
4. Step 4: Simplify right side
   2,018.72x = 3,736,257.95
5. Step 5: Solve for x
   x = 3,736,257.95/2,018.72
6. Step 6: Final answer
   x = 1,850.81