Finding the Fourth Proportional to 16,345.79, 24,516.55 and 5,815.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,345.79 : 24,516.55 = 5,815.38 : x
2. Step 2: Convert to fraction form
   16,345.79/24,516.55 = 5,815.38/x
3. Step 3: Cross multiply
   16,345.79x = 24,516.55 × 5,815.38
4. Step 4: Simplify right side
   16,345.79x = 142,573,054.54
5. Step 5: Solve for x
   x = 142,573,054.54/16,345.79
6. Step 6: Final answer
   x = 8,722.31