Finding the Fourth Proportional to 13,496.55, 18,625.06 and 7,528.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,496.55 : 18,625.06 = 7,528.32 : x
2. Step 2: Convert to fraction form
   13,496.55/18,625.06 = 7,528.32/x
3. Step 3: Cross multiply
   13,496.55x = 18,625.06 × 7,528.32
4. Step 4: Simplify right side
   13,496.55x = 140,215,411.70
5. Step 5: Solve for x
   x = 140,215,411.70/13,496.55
6. Step 6: Final answer
   x = 10,388.98