Finding the Fourth Proportional to 2,973.87, 4,105.94 and 2,658.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,973.87 : 4,105.94 = 2,658.12 : x
2. Step 2: Convert to fraction form
   2,973.87/4,105.94 = 2,658.12/x
3. Step 3: Cross multiply
   2,973.87x = 4,105.94 × 2,658.12
4. Step 4: Simplify right side
   2,973.87x = 10,914,067.94
5. Step 5: Solve for x
   x = 10,914,067.94/2,973.87
6. Step 6: Final answer
   x = 3,669.99