Finding the Fourth Proportional to 2,815.47, 4,223.25 and 967.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815.47 : 4,223.25 = 967.05 : x
2. Step 2: Convert to fraction form
   2,815.47/4,223.25 = 967.05/x
3. Step 3: Cross multiply
   2,815.47x = 4,223.25 × 967.05
4. Step 4: Simplify right side
   2,815.47x = 4,084,093.91
5. Step 5: Solve for x
   x = 4,084,093.91/2,815.47
6. Step 6: Final answer
   x = 1,450.59