Finding the Fourth Proportional to 2,983.05, 4,118.63 and 2,667.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.05 : 4,118.63 = 2,667.33 : x
2. Step 2: Convert to fraction form
   2,983.05/4,118.63 = 2,667.33/x
3. Step 3: Cross multiply
   2,983.05x = 4,118.63 × 2,667.33
4. Step 4: Simplify right side
   2,983.05x = 10,985,732.02
5. Step 5: Solve for x
   x = 10,985,732.02/2,983.05
6. Step 6: Final answer
   x = 3,682.72