Finding the Fourth Proportional to 13,796.92, 19,039.72 and 7,509.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.92 : 19,039.72 = 7,509.28 : x
2. Step 2: Convert to fraction form
   13,796.92/19,039.72 = 7,509.28/x
3. Step 3: Cross multiply
   13,796.92x = 19,039.72 × 7,509.28
4. Step 4: Simplify right side
   13,796.92x = 142,974,588.60
5. Step 5: Solve for x
   x = 142,974,588.60/13,796.92
6. Step 6: Final answer
   x = 10,362.79