Finding the Fourth Proportional to 4,568.72, 6,843.91 and 2,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,568.72 : 6,843.91 = 2,100.10 : x
2. Step 2: Convert to fraction form
   4,568.72/6,843.91 = 2,100.10/x
3. Step 3: Cross multiply
   4,568.72x = 6,843.91 × 2,100.10
4. Step 4: Simplify right side
   4,568.72x = 14,372,895.39
5. Step 5: Solve for x
   x = 14,372,895.39/4,568.72
6. Step 6: Final answer
   x = 3,145.93