Finding the Fourth Proportional to 9,364.38, 12,923.79 and 7,002.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,364.38 : 12,923.79 = 7,002.42 : x
2. Step 2: Convert to fraction form
   9,364.38/12,923.79 = 7,002.42/x
3. Step 3: Cross multiply
   9,364.38x = 12,923.79 × 7,002.42
4. Step 4: Simplify right side
   9,364.38x = 90,497,805.57
5. Step 5: Solve for x
   x = 90,497,805.57/9,364.38
6. Step 6: Final answer
   x = 9,664.05