Finding the Fourth Proportional to 3,703.56, 5,110.86 and 2,131.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.56 : 5,110.86 = 2,131.68 : x
2. Step 2: Convert to fraction form
   3,703.56/5,110.86 = 2,131.68/x
3. Step 3: Cross multiply
   3,703.56x = 5,110.86 × 2,131.68
4. Step 4: Simplify right side
   3,703.56x = 10,894,718.04
5. Step 5: Solve for x
   x = 10,894,718.04/3,703.56
6. Step 6: Final answer
   x = 2,941.69