Finding the Fourth Proportional to 12,968.22, 19,456.43 and 4,648.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,968.22 : 19,456.43 = 4,648.04 : x
2. Step 2: Convert to fraction form
   12,968.22/19,456.43 = 4,648.04/x
3. Step 3: Cross multiply
   12,968.22x = 19,456.43 × 4,648.04
4. Step 4: Simplify right side
   12,968.22x = 90,434,144.37
5. Step 5: Solve for x
   x = 90,434,144.37/12,968.22
6. Step 6: Final answer
   x = 6,973.52