Finding the Fourth Proportional to 13,003.38, 19,507.98 and 4,119.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.38 : 19,507.98 = 4,119.24 : x
2. Step 2: Convert to fraction form
   13,003.38/19,507.98 = 4,119.24/x
3. Step 3: Cross multiply
   13,003.38x = 19,507.98 × 4,119.24
4. Step 4: Simplify right side
   13,003.38x = 80,358,051.54
5. Step 5: Solve for x
   x = 80,358,051.54/13,003.38
6. Step 6: Final answer
   x = 6,179.78