Finding the Fourth Proportional to 13,040.76, 19,560.94 and 5,249.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040.76 : 19,560.94 = 5,249.38 : x
2. Step 2: Convert to fraction form
   13,040.76/19,560.94 = 5,249.38/x
3. Step 3: Cross multiply
   13,040.76x = 19,560.94 × 5,249.38
4. Step 4: Simplify right side
   13,040.76x = 102,682,807.22
5. Step 5: Solve for x
   x = 102,682,807.22/13,040.76
6. Step 6: Final answer
   x = 7,873.99