Finding the Fourth Proportional to 3,749.90, 5,174.69 and 2,071.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.90 : 5,174.69 = 2,071.22 : x
2. Step 2: Convert to fraction form
   3,749.90/5,174.69 = 2,071.22/x
3. Step 3: Cross multiply
   3,749.90x = 5,174.69 × 2,071.22
4. Step 4: Simplify right side
   3,749.90x = 10,717,885.19
5. Step 5: Solve for x
   x = 10,717,885.19/3,749.90
6. Step 6: Final answer
   x = 2,858.18