Finding the Fourth Proportional to 9,370.68, 12,932.82 and 5,391.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,370.68 : 12,932.82 = 5,391.72 : x
2. Step 2: Convert to fraction form
   9,370.68/12,932.82 = 5,391.72/x
3. Step 3: Cross multiply
   9,370.68x = 12,932.82 × 5,391.72
4. Step 4: Simplify right side
   9,370.68x = 69,730,144.25
5. Step 5: Solve for x
   x = 69,730,144.25/9,370.68
6. Step 6: Final answer
   x = 7,441.31