Finding the Fourth Proportional to 13,496.14, 18,624.71 and 7,528.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.14 : 18,624.71 = 7,528.20 : x
2. Step 2: Convert to fraction form
   13,496.14/18,624.71 = 7,528.20/x
3. Step 3: Cross multiply
   13,496.14x = 18,624.71 × 7,528.20
4. Step 4: Simplify right side
   13,496.14x = 140,210,522.01
5. Step 5: Solve for x
   x = 140,210,522.01/13,496.14
6. Step 6: Final answer
   x = 10,388.93