Finding the Fourth Proportional to 10,106.36, 13,938.72 and 7,273.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106.36 : 13,938.72 = 7,273.28 : x
2. Step 2: Convert to fraction form
   10,106.36/13,938.72 = 7,273.28/x
3. Step 3: Cross multiply
   10,106.36x = 13,938.72 × 7,273.28
4. Step 4: Simplify right side
   10,106.36x = 101,380,143.71
5. Step 5: Solve for x
   x = 101,380,143.71/10,106.36
6. Step 6: Final answer
   x = 10,031.33