Finding the Fourth Proportional to 10,951.39, 16,435.59 and 4,378.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.39 : 16,435.59 = 4,378.24 : x
2. Step 2: Convert to fraction form
   10,951.39/16,435.59 = 4,378.24/x
3. Step 3: Cross multiply
   10,951.39x = 16,435.59 × 4,378.24
4. Step 4: Simplify right side
   10,951.39x = 71,958,957.56
5. Step 5: Solve for x
   x = 71,958,957.56/10,951.39
6. Step 6: Final answer
   x = 6,570.76