Finding the Fourth Proportional to 13,796.62, 19,039.42 and 7,509

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.62 : 19,039.42 = 7,509 : x
2. Step 2: Convert to fraction form
   13,796.62/19,039.42 = 7,509/x
3. Step 3: Cross multiply
   13,796.62x = 19,039.42 × 7,509
4. Step 4: Simplify right side
   13,796.62x = 142,967,004.78
5. Step 5: Solve for x
   x = 142,967,004.78/13,796.62
6. Step 6: Final answer
   x = 10,362.47