Finding the Fourth Proportional to 3,633.84, 5,436.52 and 3,168.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633.84 : 5,436.52 = 3,168.40 : x
2. Step 2: Convert to fraction form
   3,633.84/5,436.52 = 3,168.40/x
3. Step 3: Cross multiply
   3,633.84x = 5,436.52 × 3,168.40
4. Step 4: Simplify right side
   3,633.84x = 17,225,069.97
5. Step 5: Solve for x
   x = 17,225,069.97/3,633.84
6. Step 6: Final answer
   x = 4,740.18