Finding the Fourth Proportional to 13,496.97, 18,625.50 and 7,528.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.97 : 18,625.50 = 7,528.62 : x
2. Step 2: Convert to fraction form
   13,496.97/18,625.50 = 7,528.62/x
3. Step 3: Cross multiply
   13,496.97x = 18,625.50 × 7,528.62
4. Step 4: Simplify right side
   13,496.97x = 140,224,311.81
5. Step 5: Solve for x
   x = 140,224,311.81/13,496.97
6. Step 6: Final answer
   x = 10,389.32