Finding the Fourth Proportional to 16,436.56, 22,683.36 and 9,362.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.56 : 22,683.36 = 9,362.84 : x
2. Step 2: Convert to fraction form
   16,436.56/22,683.36 = 9,362.84/x
3. Step 3: Cross multiply
   16,436.56x = 22,683.36 × 9,362.84
4. Step 4: Simplify right side
   16,436.56x = 212,380,670.34
5. Step 5: Solve for x
   x = 212,380,670.34/16,436.56
6. Step 6: Final answer
   x = 12,921.24