Finding the Fourth Proportional to 2,018.59, 3,028.23 and 785.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.59 : 3,028.23 = 785.98 : x
2. Step 2: Convert to fraction form
   2,018.59/3,028.23 = 785.98/x
3. Step 3: Cross multiply
   2,018.59x = 3,028.23 × 785.98
4. Step 4: Simplify right side
   2,018.59x = 2,380,128.22
5. Step 5: Solve for x
   x = 2,380,128.22/2,018.59
6. Step 6: Final answer
   x = 1,179.10