Finding the Fourth Proportional to 3,636.50, 5,018.94 and 2,221.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.50 : 5,018.94 = 2,221.02 : x
2. Step 2: Convert to fraction form
   3,636.50/5,018.94 = 2,221.02/x
3. Step 3: Cross multiply
   3,636.50x = 5,018.94 × 2,221.02
4. Step 4: Simplify right side
   3,636.50x = 11,147,166.12
5. Step 5: Solve for x
   x = 11,147,166.12/3,636.50
6. Step 6: Final answer
   x = 3,065.36