Finding the Fourth Proportional to 12,362.42, 18,548.94 and 8,203.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.42 : 18,548.94 = 8,203.88 : x
2. Step 2: Convert to fraction form
   12,362.42/18,548.94 = 8,203.88/x
3. Step 3: Cross multiply
   12,362.42x = 18,548.94 × 8,203.88
4. Step 4: Simplify right side
   12,362.42x = 152,173,277.89
5. Step 5: Solve for x
   x = 152,173,277.89/12,362.42
6. Step 6: Final answer
   x = 12,309.34