Finding the Fourth Proportional to 166,350.89, 229,564.82 and 90,899.39

Step by Step Solution

1. Step 1: Write the proportion equation
   166,350.89 : 229,564.82 = 90,899.39 : x
2. Step 2: Convert to fraction form
   166,350.89/229,564.82 = 90,899.39/x
3. Step 3: Cross multiply
   166,350.89x = 229,564.82 × 90,899.39
4. Step 4: Simplify right side
   166,350.89x = 20,867,302,103.46
5. Step 5: Solve for x
   x = 20,867,302,103.46/166,350.89
6. Step 6: Final answer
   x = 125,441.48