Finding the Fourth Proportional to 166,568.50, 229,864.53 and 91,118.62

Step by Step Solution

1. Step 1: Write the proportion equation
   166,568.50 : 229,864.53 = 91,118.62 : x
2. Step 2: Convert to fraction form
   166,568.50/229,864.53 = 91,118.62/x
3. Step 3: Cross multiply
   166,568.50x = 229,864.53 × 91,118.62
4. Step 4: Simplify right side
   166,568.50x = 20,944,938,760.55
5. Step 5: Solve for x
   x = 20,944,938,760.55/166,568.50
6. Step 6: Final answer
   x = 125,743.70