Finding the Fourth Proportional to 12,944.88, 17,840.24 and 9,401.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.88 : 17,840.24 = 9,401.94 : x
2. Step 2: Convert to fraction form
   12,944.88/17,840.24 = 9,401.94/x
3. Step 3: Cross multiply
   12,944.88x = 17,840.24 × 9,401.94
4. Step 4: Simplify right side
   12,944.88x = 167,732,866.07
5. Step 5: Solve for x
   x = 167,732,866.07/12,944.88
6. Step 6: Final answer
   x = 12,957.47