Finding the Fourth Proportional to 2,250.95, 3,103.49 and 1,720.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.95 : 3,103.49 = 1,720.49 : x
2. Step 2: Convert to fraction form
   2,250.95/3,103.49 = 1,720.49/x
3. Step 3: Cross multiply
   2,250.95x = 3,103.49 × 1,720.49
4. Step 4: Simplify right side
   2,250.95x = 5,339,512.29
5. Step 5: Solve for x
   x = 5,339,512.29/2,250.95
6. Step 6: Final answer
   x = 2,372.12