Finding the Fourth Proportional to 1,647.50, 2,273.55 and 949.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.50 : 2,273.55 = 949.01 : x
2. Step 2: Convert to fraction form
   1,647.50/2,273.55 = 949.01/x
3. Step 3: Cross multiply
   1,647.50x = 2,273.55 × 949.01
4. Step 4: Simplify right side
   1,647.50x = 2,157,621.69
5. Step 5: Solve for x
   x = 2,157,621.69/1,647.50
6. Step 6: Final answer
   x = 1,309.63