Finding the Fourth Proportional to 3,757.25, 5,185.25 and 2,101.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.25 : 5,185.25 = 2,101.25 : x
2. Step 2: Convert to fraction form
   3,757.25/5,185.25 = 2,101.25/x
3. Step 3: Cross multiply
   3,757.25x = 5,185.25 × 2,101.25
4. Step 4: Simplify right side
   3,757.25x = 10,895,496.06
5. Step 5: Solve for x
   x = 10,895,496.06/3,757.25
6. Step 6: Final answer
   x = 2,899.86