Finding the Fourth Proportional to 16,231.05, 24,346.17 and 5,136.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,231.05 : 24,346.17 = 5,136.21 : x
2. Step 2: Convert to fraction form
   16,231.05/24,346.17 = 5,136.21/x
3. Step 3: Cross multiply
   16,231.05x = 24,346.17 × 5,136.21
4. Step 4: Simplify right side
   16,231.05x = 125,047,041.82
5. Step 5: Solve for x
   x = 125,047,041.82/16,231.05
6. Step 6: Final answer
   x = 7,704.19