Finding the Fourth Proportional to 12,362.18, 18,538.27 and 7,675.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.18 : 18,538.27 = 7,675.25 : x
2. Step 2: Convert to fraction form
   12,362.18/18,538.27 = 7,675.25/x
3. Step 3: Cross multiply
   12,362.18x = 18,538.27 × 7,675.25
4. Step 4: Simplify right side
   12,362.18x = 142,285,744.94
5. Step 5: Solve for x
   x = 142,285,744.94/12,362.18
6. Step 6: Final answer
   x = 11,509.77