Finding the Fourth Proportional to 12,096.45, 18,144.72 and 3,776.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.45 : 18,144.72 = 3,776.13 : x
2. Step 2: Convert to fraction form
   12,096.45/18,144.72 = 3,776.13/x
3. Step 3: Cross multiply
   12,096.45x = 18,144.72 × 3,776.13
4. Step 4: Simplify right side
   12,096.45x = 68,516,821.53
5. Step 5: Solve for x
   x = 68,516,821.53/12,096.45
6. Step 6: Final answer
   x = 5,664.21