Finding the Fourth Proportional to 2,018.76, 3,035.05 and 1,866.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.76 : 3,035.05 = 1,866.52 : x
2. Step 2: Convert to fraction form
   2,018.76/3,035.05 = 1,866.52/x
3. Step 3: Cross multiply
   2,018.76x = 3,035.05 × 1,866.52
4. Step 4: Simplify right side
   2,018.76x = 5,664,974.08
5. Step 5: Solve for x
   x = 5,664,974.08/2,018.76
6. Step 6: Final answer
   x = 2,806.17