Finding the Fourth Proportional to 12,328.94, 18,496.08 and 3,563.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.94 : 18,496.08 = 3,563.12 : x
2. Step 2: Convert to fraction form
   12,328.94/18,496.08 = 3,563.12/x
3. Step 3: Cross multiply
   12,328.94x = 18,496.08 × 3,563.12
4. Step 4: Simplify right side
   12,328.94x = 65,903,752.57
5. Step 5: Solve for x
   x = 65,903,752.57/12,328.94
6. Step 6: Final answer
   x = 5,345.45