Finding the Fourth Proportional to 9,372.15, 12,934.17 and 5,394.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.15 : 12,934.17 = 5,394.24 : x
2. Step 2: Convert to fraction form
   9,372.15/12,934.17 = 5,394.24/x
3. Step 3: Cross multiply
   9,372.15x = 12,934.17 × 5,394.24
4. Step 4: Simplify right side
   9,372.15x = 69,770,017.18
5. Step 5: Solve for x
   x = 69,770,017.18/9,372.15
6. Step 6: Final answer
   x = 7,444.40