Finding the Fourth Proportional to 3,749.69, 5,617.37 and 2,101.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.69 : 5,617.37 = 2,101.25 : x
2. Step 2: Convert to fraction form
   3,749.69/5,617.37 = 2,101.25/x
3. Step 3: Cross multiply
   3,749.69x = 5,617.37 × 2,101.25
4. Step 4: Simplify right side
   3,749.69x = 11,803,460.12
5. Step 5: Solve for x
   x = 11,803,460.12/3,749.69
6. Step 6: Final answer
   x = 3,147.85