Finding the Fourth Proportional to 9,392.70, 12,960.57 and 5,200.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.70 : 12,960.57 = 5,200.94 : x
2. Step 2: Convert to fraction form
   9,392.70/12,960.57 = 5,200.94/x
3. Step 3: Cross multiply
   9,392.70x = 12,960.57 × 5,200.94
4. Step 4: Simplify right side
   9,392.70x = 67,407,146.94
5. Step 5: Solve for x
   x = 67,407,146.94/9,392.70
6. Step 6: Final answer
   x = 7,176.55