Finding the Fourth Proportional to 3,967.40, 5,925.28 and 3,596.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.40 : 5,925.28 = 3,596.44 : x
2. Step 2: Convert to fraction form
   3,967.40/5,925.28 = 3,596.44/x
3. Step 3: Cross multiply
   3,967.40x = 5,925.28 × 3,596.44
4. Step 4: Simplify right side
   3,967.40x = 21,309,914.00
5. Step 5: Solve for x
   x = 21,309,914.00/3,967.40
6. Step 6: Final answer
   x = 5,371.25