Finding the Fourth Proportional to 108,286.89, 162,321.25 and 45,141.94

Step by Step Solution

1. Step 1: Write the proportion equation
   108,286.89 : 162,321.25 = 45,141.94 : x
2. Step 2: Convert to fraction form
   108,286.89/162,321.25 = 45,141.94/x
3. Step 3: Cross multiply
   108,286.89x = 162,321.25 × 45,141.94
4. Step 4: Simplify right side
   108,286.89x = 7,327,496,128.23
5. Step 5: Solve for x
   x = 7,327,496,128.23/108,286.89
6. Step 6: Final answer
   x = 67,667.44