Finding the Fourth Proportional to 2,018.06, 3,026.55 and 785.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.06 : 3,026.55 = 785.30 : x
2. Step 2: Convert to fraction form
   2,018.06/3,026.55 = 785.30/x
3. Step 3: Cross multiply
   2,018.06x = 3,026.55 × 785.30
4. Step 4: Simplify right side
   2,018.06x = 2,376,749.72
5. Step 5: Solve for x
   x = 2,376,749.72/2,018.06
6. Step 6: Final answer
   x = 1,177.74