Finding the Fourth Proportional to 12,328.96, 18,492.72 and 3,563.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.96 : 18,492.72 = 3,563.68 : x
2. Step 2: Convert to fraction form
   12,328.96/18,492.72 = 3,563.68/x
3. Step 3: Cross multiply
   12,328.96x = 18,492.72 × 3,563.68
4. Step 4: Simplify right side
   12,328.96x = 65,902,136.41
5. Step 5: Solve for x
   x = 65,902,136.41/12,328.96
6. Step 6: Final answer
   x = 5,345.31