Finding the Fourth Proportional to 13,007.38, 19,510.98 and 5,216.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.38 : 19,510.98 = 5,216.08 : x
2. Step 2: Convert to fraction form
   13,007.38/19,510.98 = 5,216.08/x
3. Step 3: Cross multiply
   13,007.38x = 19,510.98 × 5,216.08
4. Step 4: Simplify right side
   13,007.38x = 101,770,832.56
5. Step 5: Solve for x
   x = 101,770,832.56/13,007.38
6. Step 6: Final answer
   x = 7,824.08