Finding the Fourth Proportional to 13,495.50, 18,623.25 and 7,527.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,495.50 : 18,623.25 = 7,527.12 : x
2. Step 2: Convert to fraction form
   13,495.50/18,623.25 = 7,527.12/x
3. Step 3: Cross multiply
   13,495.50x = 18,623.25 × 7,527.12
4. Step 4: Simplify right side
   13,495.50x = 140,179,437.54
5. Step 5: Solve for x
   x = 140,179,437.54/13,495.50
6. Step 6: Final answer
   x = 10,387.12