Finding the Fourth Proportional to 2,974.57, 4,487.83 and 2,966.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.57 : 4,487.83 = 2,966.37 : x
2. Step 2: Convert to fraction form
   2,974.57/4,487.83 = 2,966.37/x
3. Step 3: Cross multiply
   2,974.57x = 4,487.83 × 2,966.37
4. Step 4: Simplify right side
   2,974.57x = 13,312,556.86
5. Step 5: Solve for x
   x = 13,312,556.86/2,974.57
6. Step 6: Final answer
   x = 4,475.46