Finding the Fourth Proportional to 13,796.63, 19,039.34 and 7,509.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.63 : 19,039.34 = 7,509.05 : x
2. Step 2: Convert to fraction form
   13,796.63/19,039.34 = 7,509.05/x
3. Step 3: Cross multiply
   13,796.63x = 19,039.34 × 7,509.05
4. Step 4: Simplify right side
   13,796.63x = 142,967,279.60
5. Step 5: Solve for x
   x = 142,967,279.60/13,796.63
6. Step 6: Final answer
   x = 10,362.48