Finding the Fourth Proportional to 10,929.96, 16,393.98 and 5,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.96 : 16,393.98 = 5,664.72 : x
2. Step 2: Convert to fraction form
   10,929.96/16,393.98 = 5,664.72/x
3. Step 3: Cross multiply
   10,929.96x = 16,393.98 × 5,664.72
4. Step 4: Simplify right side
   10,929.96x = 92,867,306.39
5. Step 5: Solve for x
   x = 92,867,306.39/10,929.96
6. Step 6: Final answer
   x = 8,496.58