Finding the Fourth Proportional to 13,022.98, 19,545.47 and 10,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.98 : 19,545.47 = 10,069.38 : x
2. Step 2: Convert to fraction form
   13,022.98/19,545.47 = 10,069.38/x
3. Step 3: Cross multiply
   13,022.98x = 19,545.47 × 10,069.38
4. Step 4: Simplify right side
   13,022.98x = 196,810,764.71
5. Step 5: Solve for x
   x = 196,810,764.71/13,022.98
6. Step 6: Final answer
   x = 15,112.58