Finding the Fourth Proportional to 3,749.42, 5,174.18 and 2,070.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.42 : 5,174.18 = 2,070.94 : x
2. Step 2: Convert to fraction form
   3,749.42/5,174.18 = 2,070.94/x
3. Step 3: Cross multiply
   3,749.42x = 5,174.18 × 2,070.94
4. Step 4: Simplify right side
   3,749.42x = 10,715,380.10
5. Step 5: Solve for x
   x = 10,715,380.10/3,749.42
6. Step 6: Final answer
   x = 2,857.88