Finding the Fourth Proportional to 13,144.23, 19,704.59 and 4,822.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.23 : 19,704.59 = 4,822.29 : x
2. Step 2: Convert to fraction form
   13,144.23/19,704.59 = 4,822.29/x
3. Step 3: Cross multiply
   13,144.23x = 19,704.59 × 4,822.29
4. Step 4: Simplify right side
   13,144.23x = 95,021,223.20
5. Step 5: Solve for x
   x = 95,021,223.20/13,144.23
6. Step 6: Final answer
   x = 7,229.12