Finding the Fourth Proportional to 3,703.59, 5,110.92 and 2,131.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.59 : 5,110.92 = 2,131.74 : x
2. Step 2: Convert to fraction form
   3,703.59/5,110.92 = 2,131.74/x
3. Step 3: Cross multiply
   3,703.59x = 5,110.92 × 2,131.74
4. Step 4: Simplify right side
   3,703.59x = 10,895,152.60
5. Step 5: Solve for x
   x = 10,895,152.60/3,703.59
6. Step 6: Final answer
   x = 2,941.78