Finding the Fourth Proportional to 9,371.34, 12,932.34 and 5,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,371.34 : 12,932.34 = 5,179.50 : x
2. Step 2: Convert to fraction form
   9,371.34/12,932.34 = 5,179.50/x
3. Step 3: Cross multiply
   9,371.34x = 12,932.34 × 5,179.50
4. Step 4: Simplify right side
   9,371.34x = 66,983,055.03
5. Step 5: Solve for x
   x = 66,983,055.03/9,371.34
6. Step 6: Final answer
   x = 7,147.65