Finding the Fourth Proportional to 10,107.36, 13,940.10 and 7,274.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,107.36 : 13,940.10 = 7,274.28 : x
2. Step 2: Convert to fraction form
   10,107.36/13,940.10 = 7,274.28/x
3. Step 3: Cross multiply
   10,107.36x = 13,940.10 × 7,274.28
4. Step 4: Simplify right side
   10,107.36x = 101,404,190.63
5. Step 5: Solve for x
   x = 101,404,190.63/10,107.36
6. Step 6: Final answer
   x = 10,032.71