Finding the Fourth Proportional to 3,958.37, 5,462.74 and 2,280.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.37 : 5,462.74 = 2,280.04 : x
2. Step 2: Convert to fraction form
   3,958.37/5,462.74 = 2,280.04/x
3. Step 3: Cross multiply
   3,958.37x = 5,462.74 × 2,280.04
4. Step 4: Simplify right side
   3,958.37x = 12,455,254.90
5. Step 5: Solve for x
   x = 12,455,254.90/3,958.37
6. Step 6: Final answer
   x = 3,146.56