Finding the Fourth Proportional to 13,496.69, 18,625.37 and 7,528.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.69 : 18,625.37 = 7,528.37 : x
2. Step 2: Convert to fraction form
   13,496.69/18,625.37 = 7,528.37/x
3. Step 3: Cross multiply
   13,496.69x = 18,625.37 × 7,528.37
4. Step 4: Simplify right side
   13,496.69x = 140,218,545.98
5. Step 5: Solve for x
   x = 140,218,545.98/13,496.69
6. Step 6: Final answer
   x = 10,389.10