Finding the Fourth Proportional to 3,703.25, 5,110.49 and 2,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.25 : 5,110.49 = 2,131.31 : x
2. Step 2: Convert to fraction form
   3,703.25/5,110.49 = 2,131.31/x
3. Step 3: Cross multiply
   3,703.25x = 5,110.49 × 2,131.31
4. Step 4: Simplify right side
   3,703.25x = 10,892,056.55
5. Step 5: Solve for x
   x = 10,892,056.55/3,703.25
6. Step 6: Final answer
   x = 2,941.21