Finding the Fourth Proportional to 2,131.41, 3,190.30 and 1,141.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.41 : 3,190.30 = 1,141.76 : x
2. Step 2: Convert to fraction form
   2,131.41/3,190.30 = 1,141.76/x
3. Step 3: Cross multiply
   2,131.41x = 3,190.30 × 1,141.76
4. Step 4: Simplify right side
   2,131.41x = 3,642,568.47
5. Step 5: Solve for x
   x = 3,642,568.47/2,131.41
6. Step 6: Final answer
   x = 1,708.99