Finding the Fourth Proportional to 2,350.20, 3,244.86 and 2,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.20 : 3,244.86 = 2,100.72 : x
2. Step 2: Convert to fraction form
   2,350.20/3,244.86 = 2,100.72/x
3. Step 3: Cross multiply
   2,350.20x = 3,244.86 × 2,100.72
4. Step 4: Simplify right side
   2,350.20x = 6,816,542.30
5. Step 5: Solve for x
   x = 6,816,542.30/2,350.20
6. Step 6: Final answer
   x = 2,900.41