Finding the Fourth Proportional to 10,951.69, 16,439.23 and 4,714.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,951.69 : 16,439.23 = 4,714.79 : x
2. Step 2: Convert to fraction form
   10,951.69/16,439.23 = 4,714.79/x
3. Step 3: Cross multiply
   10,951.69x = 16,439.23 × 4,714.79
4. Step 4: Simplify right side
   10,951.69x = 77,507,546.52
5. Step 5: Solve for x
   x = 77,507,546.52/10,951.69
6. Step 6: Final answer
   x = 7,077.22