Finding the Fourth Proportional to 16,238.56, 24,357.57 and 5,145.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.56 : 24,357.57 = 5,145.22 : x
2. Step 2: Convert to fraction form
   16,238.56/24,357.57 = 5,145.22/x
3. Step 3: Cross multiply
   16,238.56x = 24,357.57 × 5,145.22
4. Step 4: Simplify right side
   16,238.56x = 125,325,056.32
5. Step 5: Solve for x
   x = 125,325,056.32/16,238.56
6. Step 6: Final answer
   x = 7,717.74