Finding the Fourth Proportional to 3,667.62, 5,504.16 and 1,721.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.62 : 5,504.16 = 1,721.19 : x
2. Step 2: Convert to fraction form
   3,667.62/5,504.16 = 1,721.19/x
3. Step 3: Cross multiply
   3,667.62x = 5,504.16 × 1,721.19
4. Step 4: Simplify right side
   3,667.62x = 9,473,705.15
5. Step 5: Solve for x
   x = 9,473,705.15/3,667.62
6. Step 6: Final answer
   x = 2,583.07