Finding the Fourth Proportional to 1,650.27, 2,289.74 and 1,636.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.27 : 2,289.74 = 1,636.15 : x
2. Step 2: Convert to fraction form
   1,650.27/2,289.74 = 1,636.15/x
3. Step 3: Cross multiply
   1,650.27x = 2,289.74 × 1,636.15
4. Step 4: Simplify right side
   1,650.27x = 3,746,362.29
5. Step 5: Solve for x
   x = 3,746,362.29/1,650.27
6. Step 6: Final answer
   x = 2,270.15