Finding the Fourth Proportional to 3,272.18, 4,894.77 and 2,100.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,272.18 : 4,894.77 = 2,100.38 : x
2. Step 2: Convert to fraction form
   3,272.18/4,894.77 = 2,100.38/x
3. Step 3: Cross multiply
   3,272.18x = 4,894.77 × 2,100.38
4. Step 4: Simplify right side
   3,272.18x = 10,280,877.01
5. Step 5: Solve for x
   x = 10,280,877.01/3,272.18
6. Step 6: Final answer
   x = 3,141.90