Finding the Fourth Proportional to 13,796.16, 19,039.20 and 7,508.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.16 : 19,039.20 = 7,508.64 : x
2. Step 2: Convert to fraction form
   13,796.16/19,039.20 = 7,508.64/x
3. Step 3: Cross multiply
   13,796.16x = 19,039.20 × 7,508.64
4. Step 4: Simplify right side
   13,796.16x = 142,958,498.69
5. Step 5: Solve for x
   x = 142,958,498.69/13,796.16
6. Step 6: Final answer
   x = 10,362.19