Finding the Fourth Proportional to 1,647.54, 2,273.72 and 948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.54 : 2,273.72 = 948.96 : x
2. Step 2: Convert to fraction form
   1,647.54/2,273.72 = 948.96/x
3. Step 3: Cross multiply
   1,647.54x = 2,273.72 × 948.96
4. Step 4: Simplify right side
   1,647.54x = 2,157,664.59
5. Step 5: Solve for x
   x = 2,157,664.59/1,647.54
6. Step 6: Final answer
   x = 1,309.63