Finding the Fourth Proportional to 2,961.43, 4,086.83 and 1,635.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.43 : 4,086.83 = 1,635.12 : x
2. Step 2: Convert to fraction form
   2,961.43/4,086.83 = 1,635.12/x
3. Step 3: Cross multiply
   2,961.43x = 4,086.83 × 1,635.12
4. Step 4: Simplify right side
   2,961.43x = 6,682,461.56
5. Step 5: Solve for x
   x = 6,682,461.56/2,961.43
6. Step 6: Final answer
   x = 2,256.50