Finding the Fourth Proportional to 166,503.50, 229,770.16 and 91,050.38

Step by Step Solution

1. Step 1: Write the proportion equation
   166,503.50 : 229,770.16 = 91,050.38 : x
2. Step 2: Convert to fraction form
   166,503.50/229,770.16 = 91,050.38/x
3. Step 3: Cross multiply
   166,503.50x = 229,770.16 × 91,050.38
4. Step 4: Simplify right side
   166,503.50x = 20,920,659,004.18
5. Step 5: Solve for x
   x = 20,920,659,004.18/166,503.50
6. Step 6: Final answer
   x = 125,646.97