Finding the Fourth Proportional to 10,951.58, 16,423.32 and 3,929.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.58 : 16,423.32 = 3,929.60 : x
2. Step 2: Convert to fraction form
   10,951.58/16,423.32 = 3,929.60/x
3. Step 3: Cross multiply
   10,951.58x = 16,423.32 × 3,929.60
4. Step 4: Simplify right side
   10,951.58x = 64,537,078.27
5. Step 5: Solve for x
   x = 64,537,078.27/10,951.58
6. Step 6: Final answer
   x = 5,892.95