Finding the Fourth Proportional to 10,854.78, 16,284.54 and 4,614.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.78 : 16,284.54 = 4,614.96 : x
2. Step 2: Convert to fraction form
   10,854.78/16,284.54 = 4,614.96/x
3. Step 3: Cross multiply
   10,854.78x = 16,284.54 × 4,614.96
4. Step 4: Simplify right side
   10,854.78x = 75,152,500.72
5. Step 5: Solve for x
   x = 75,152,500.72/10,854.78
6. Step 6: Final answer
   x = 6,923.45