Finding the Fourth Proportional to 3,942.83, 5,915.25 and 1,477.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.83 : 5,915.25 = 1,477.67 : x
2. Step 2: Convert to fraction form
   3,942.83/5,915.25 = 1,477.67/x
3. Step 3: Cross multiply
   3,942.83x = 5,915.25 × 1,477.67
4. Step 4: Simplify right side
   3,942.83x = 8,740,757.89
5. Step 5: Solve for x
   x = 8,740,757.89/3,942.83
6. Step 6: Final answer
   x = 2,216.88