Finding the Fourth Proportional to 3,636.98, 5,019.65 and 2,145.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.98 : 5,019.65 = 2,145.27 : x
2. Step 2: Convert to fraction form
   3,636.98/5,019.65 = 2,145.27/x
3. Step 3: Cross multiply
   3,636.98x = 5,019.65 × 2,145.27
4. Step 4: Simplify right side
   3,636.98x = 10,768,486.43
5. Step 5: Solve for x
   x = 10,768,486.43/3,636.98
6. Step 6: Final answer
   x = 2,960.83