Finding the Fourth Proportional to 12,322.56, 18,483.42 and 3,558.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.56 : 18,483.42 = 3,558.36 : x
2. Step 2: Convert to fraction form
   12,322.56/18,483.42 = 3,558.36/x
3. Step 3: Cross multiply
   12,322.56x = 18,483.42 × 3,558.36
4. Step 4: Simplify right side
   12,322.56x = 65,770,662.39
5. Step 5: Solve for x
   x = 65,770,662.39/12,322.56
6. Step 6: Final answer
   x = 5,337.42