Finding the Fourth Proportional to 3,870.93, 5,806.42 and 949.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.93 : 5,806.42 = 949.24 : x
2. Step 2: Convert to fraction form
   3,870.93/5,806.42 = 949.24/x
3. Step 3: Cross multiply
   3,870.93x = 5,806.42 × 949.24
4. Step 4: Simplify right side
   3,870.93x = 5,511,691.01
5. Step 5: Solve for x
   x = 5,511,691.01/3,870.93
6. Step 6: Final answer
   x = 1,423.87