Finding the Fourth Proportional to 9,370.38, 12,931.64 and 5,392.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,370.38 : 12,931.64 = 5,392.10 : x
2. Step 2: Convert to fraction form
   9,370.38/12,931.64 = 5,392.10/x
3. Step 3: Cross multiply
   9,370.38x = 12,931.64 × 5,392.10
4. Step 4: Simplify right side
   9,370.38x = 69,728,604.43
5. Step 5: Solve for x
   x = 69,728,604.43/9,370.38
6. Step 6: Final answer
   x = 7,441.38