Finding the Fourth Proportional to 16,312.38, 24,456.60 and 5,212.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,312.38 : 24,456.60 = 5,212.68 : x
2. Step 2: Convert to fraction form
   16,312.38/24,456.60 = 5,212.68/x
3. Step 3: Cross multiply
   16,312.38x = 24,456.60 × 5,212.68
4. Step 4: Simplify right side
   16,312.38x = 127,484,429.69
5. Step 5: Solve for x
   x = 127,484,429.69/16,312.38
6. Step 6: Final answer
   x = 7,815.19