Finding the Fourth Proportional to 13,496.62, 18,623.91 and 7,528.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.62 : 18,623.91 = 7,528.54 : x
2. Step 2: Convert to fraction form
   13,496.62/18,623.91 = 7,528.54/x
3. Step 3: Cross multiply
   13,496.62x = 18,623.91 × 7,528.54
4. Step 4: Simplify right side
   13,496.62x = 140,210,851.39
5. Step 5: Solve for x
   x = 140,210,851.39/13,496.62
6. Step 6: Final answer
   x = 10,388.59