Finding the Fourth Proportional to 19,480.89, 29,226.18 and 5,629.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,480.89 : 29,226.18 = 5,629.89 : x
2. Step 2: Convert to fraction form
   19,480.89/29,226.18 = 5,629.89/x
3. Step 3: Cross multiply
   19,480.89x = 29,226.18 × 5,629.89
4. Step 4: Simplify right side
   19,480.89x = 164,540,178.52
5. Step 5: Solve for x
   x = 164,540,178.52/19,480.89
6. Step 6: Final answer
   x = 8,446.24