Finding the Fourth Proportional to 3,749.86, 5,174.87 and 2,071.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.86 : 5,174.87 = 2,071.27 : x
2. Step 2: Convert to fraction form
   3,749.86/5,174.87 = 2,071.27/x
3. Step 3: Cross multiply
   3,749.86x = 5,174.87 × 2,071.27
4. Step 4: Simplify right side
   3,749.86x = 10,718,549.10
5. Step 5: Solve for x
   x = 10,718,549.10/3,749.86
6. Step 6: Final answer
   x = 2,858.39