Finding the Fourth Proportional to 9,371.79, 12,932.06 and 5,179.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,371.79 : 12,932.06 = 5,179.23 : x
2. Step 2: Convert to fraction form
   9,371.79/12,932.06 = 5,179.23/x
3. Step 3: Cross multiply
   9,371.79x = 12,932.06 × 5,179.23
4. Step 4: Simplify right side
   9,371.79x = 66,978,087.22
5. Step 5: Solve for x
   x = 66,978,087.22/9,371.79
6. Step 6: Final answer
   x = 7,146.78