Finding the Fourth Proportional to 14,433.92, 19,918.72 and 8,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,433.92 : 19,918.72 = 8,146.56 : x
2. Step 2: Convert to fraction form
   14,433.92/19,918.72 = 8,146.56/x
3. Step 3: Cross multiply
   14,433.92x = 19,918.72 × 8,146.56
4. Step 4: Simplify right side
   14,433.92x = 162,269,047.60
5. Step 5: Solve for x
   x = 162,269,047.60/14,433.92
6. Step 6: Final answer
   x = 11,242.20