Finding the Fourth Proportional to 3,133.82, 4,698.78 and 2,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,133.82 : 4,698.78 = 2,158.82 : x
2. Step 2: Convert to fraction form
   3,133.82/4,698.78 = 2,158.82/x
3. Step 3: Cross multiply
   3,133.82x = 4,698.78 × 2,158.82
4. Step 4: Simplify right side
   3,133.82x = 10,143,820.24
5. Step 5: Solve for x
   x = 10,143,820.24/3,133.82
6. Step 6: Final answer
   x = 3,236.89