Finding the Fourth Proportional to 16,228.72, 24,345.54 and 5,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,228.72 : 24,345.54 = 5,131.72 : x
2. Step 2: Convert to fraction form
   16,228.72/24,345.54 = 5,131.72/x
3. Step 3: Cross multiply
   16,228.72x = 24,345.54 × 5,131.72
4. Step 4: Simplify right side
   16,228.72x = 124,934,494.53
5. Step 5: Solve for x
   x = 124,934,494.53/16,228.72
6. Step 6: Final answer
   x = 7,698.36