Finding the Fourth Proportional to 14,496.39, 21,743.89 and 5,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,496.39 : 21,743.89 = 5,136.25 : x
2. Step 2: Convert to fraction form
   14,496.39/21,743.89 = 5,136.25/x
3. Step 3: Cross multiply
   14,496.39x = 21,743.89 × 5,136.25
4. Step 4: Simplify right side
   14,496.39x = 111,682,055.01
5. Step 5: Solve for x
   x = 111,682,055.01/14,496.39
6. Step 6: Final answer
   x = 7,704.13