Finding the Fourth Proportional to 12,096.88, 18,146 and 3,778.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.88 : 18,146 = 3,778.05 : x
2. Step 2: Convert to fraction form
   12,096.88/18,146 = 3,778.05/x
3. Step 3: Cross multiply
   12,096.88x = 18,146 × 3,778.05
4. Step 4: Simplify right side
   12,096.88x = 68,556,495.30
5. Step 5: Solve for x
   x = 68,556,495.30/12,096.88
6. Step 6: Final answer
   x = 5,667.29