Finding the Fourth Proportional to 3,510.23, 4,843.89 and 2,018.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.23 : 4,843.89 = 2,018.21 : x
2. Step 2: Convert to fraction form
   3,510.23/4,843.89 = 2,018.21/x
3. Step 3: Cross multiply
   3,510.23x = 4,843.89 × 2,018.21
4. Step 4: Simplify right side
   3,510.23x = 9,775,963.02
5. Step 5: Solve for x
   x = 9,775,963.02/3,510.23
6. Step 6: Final answer
   x = 2,785.00