Finding the Fourth Proportional to 2,028.65, 3,047.63 and 1,893.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.65 : 3,047.63 = 1,893.78 : x
2. Step 2: Convert to fraction form
   2,028.65/3,047.63 = 1,893.78/x
3. Step 3: Cross multiply
   2,028.65x = 3,047.63 × 1,893.78
4. Step 4: Simplify right side
   2,028.65x = 5,771,531.27
5. Step 5: Solve for x
   x = 5,771,531.27/2,028.65
6. Step 6: Final answer
   x = 2,845.02