Finding the Fourth Proportional to 3,749.72, 5,174.71 and 2,071.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.72 : 5,174.71 = 2,071.15 : x
2. Step 2: Convert to fraction form
   3,749.72/5,174.71 = 2,071.15/x
3. Step 3: Cross multiply
   3,749.72x = 5,174.71 × 2,071.15
4. Step 4: Simplify right side
   3,749.72x = 10,717,600.62
5. Step 5: Solve for x
   x = 10,717,600.62/3,749.72
6. Step 6: Final answer
   x = 2,858.24