Finding the Fourth Proportional to 9,573.34, 14,389.29 and 7,940.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,573.34 : 14,389.29 = 7,940.38 : x
2. Step 2: Convert to fraction form
   9,573.34/14,389.29 = 7,940.38/x
3. Step 3: Cross multiply
   9,573.34x = 14,389.29 × 7,940.38
4. Step 4: Simplify right side
   9,573.34x = 114,256,430.53
5. Step 5: Solve for x
   x = 114,256,430.53/9,573.34
6. Step 6: Final answer
   x = 11,934.86