Finding the Fourth Proportional to 3,977.46, 5,956.94 and 3,485.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.46 : 5,956.94 = 3,485.38 : x
2. Step 2: Convert to fraction form
   3,977.46/5,956.94 = 3,485.38/x
3. Step 3: Cross multiply
   3,977.46x = 5,956.94 × 3,485.38
4. Step 4: Simplify right side
   3,977.46x = 20,762,199.54
5. Step 5: Solve for x
   x = 20,762,199.54/3,977.46
6. Step 6: Final answer
   x = 5,219.96