Finding the Fourth Proportional to 3,912.67, 5,868.72 and 1,446.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.67 : 5,868.72 = 1,446.34 : x
2. Step 2: Convert to fraction form
   3,912.67/5,868.72 = 1,446.34/x
3. Step 3: Cross multiply
   3,912.67x = 5,868.72 × 1,446.34
4. Step 4: Simplify right side
   3,912.67x = 8,488,164.48
5. Step 5: Solve for x
   x = 8,488,164.48/3,912.67
6. Step 6: Final answer
   x = 2,169.40