Finding the Fourth Proportional to 13,496.27, 18,624.89 and 7,529.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.27 : 18,624.89 = 7,529.18 : x
2. Step 2: Convert to fraction form
   13,496.27/18,624.89 = 7,529.18/x
3. Step 3: Cross multiply
   13,496.27x = 18,624.89 × 7,529.18
4. Step 4: Simplify right side
   13,496.27x = 140,230,074.99
5. Step 5: Solve for x
   x = 140,230,074.99/13,496.27
6. Step 6: Final answer
   x = 10,390.29