Finding the Fourth Proportional to 166,502.37, 229,768.59 and 91,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   166,502.37 : 229,768.59 = 91,049.25 : x
2. Step 2: Convert to fraction form
   166,502.37/229,768.59 = 91,049.25/x
3. Step 3: Cross multiply
   166,502.37x = 229,768.59 × 91,049.25
4. Step 4: Simplify right side
   166,502.37x = 20,920,257,793.06
5. Step 5: Solve for x
   x = 20,920,257,793.06/166,502.37
6. Step 6: Final answer
   x = 125,645.41