Finding the Fourth Proportional to 3,967.28, 5,477.58 and 3,546.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.28 : 5,477.58 = 3,546.35 : x
2. Step 2: Convert to fraction form
   3,967.28/5,477.58 = 3,546.35/x
3. Step 3: Cross multiply
   3,967.28x = 5,477.58 × 3,546.35
4. Step 4: Simplify right side
   3,967.28x = 19,425,415.83
5. Step 5: Solve for x
   x = 19,425,415.83/3,967.28
6. Step 6: Final answer
   x = 4,896.41