Finding the Fourth Proportional to 3,703.55, 5,110.16 and 2,131.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.55 : 5,110.16 = 2,131.34 : x
2. Step 2: Convert to fraction form
   3,703.55/5,110.16 = 2,131.34/x
3. Step 3: Cross multiply
   3,703.55x = 5,110.16 × 2,131.34
4. Step 4: Simplify right side
   3,703.55x = 10,891,452.21
5. Step 5: Solve for x
   x = 10,891,452.21/3,703.55
6. Step 6: Final answer
   x = 2,940.82