Finding the Fourth Proportional to 2,018.39, 3,025.69 and 785.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.39 : 3,025.69 = 785.52 : x
2. Step 2: Convert to fraction form
   2,018.39/3,025.69 = 785.52/x
3. Step 3: Cross multiply
   2,018.39x = 3,025.69 × 785.52
4. Step 4: Simplify right side
   2,018.39x = 2,376,738.05
5. Step 5: Solve for x
   x = 2,376,738.05/2,018.39
6. Step 6: Final answer
   x = 1,177.54