Finding the Fourth Proportional to 7,955.72, 10,979.21 and 5,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,955.72 : 10,979.21 = 5,443.10 : x
2. Step 2: Convert to fraction form
   7,955.72/10,979.21 = 5,443.10/x
3. Step 3: Cross multiply
   7,955.72x = 10,979.21 × 5,443.10
4. Step 4: Simplify right side
   7,955.72x = 59,760,910.74
5. Step 5: Solve for x
   x = 59,760,910.74/7,955.72
6. Step 6: Final answer
   x = 7,511.69