Finding the Fourth Proportional to 12,940.88, 17,834.73 and 9,397.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,940.88 : 17,834.73 = 9,397.94 : x
2. Step 2: Convert to fraction form
   12,940.88/17,834.73 = 9,397.94/x
3. Step 3: Cross multiply
   12,940.88x = 17,834.73 × 9,397.94
4. Step 4: Simplify right side
   12,940.88x = 167,609,722.46
5. Step 5: Solve for x
   x = 167,609,722.46/12,940.88
6. Step 6: Final answer
   x = 12,951.96