Finding the Fourth Proportional to 10,951.37, 16,427.39 and 4,287.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.37 : 16,427.39 = 4,287.59 : x
2. Step 2: Convert to fraction form
   10,951.37/16,427.39 = 4,287.59/x
3. Step 3: Cross multiply
   10,951.37x = 16,427.39 × 4,287.59
4. Step 4: Simplify right side
   10,951.37x = 70,433,809.52
5. Step 5: Solve for x
   x = 70,433,809.52/10,951.37
6. Step 6: Final answer
   x = 6,431.51