Finding the Fourth Proportional to 166,778.34, 230,151.83 and 91,326.84

Step by Step Solution

1. Step 1: Write the proportion equation
   166,778.34 : 230,151.83 = 91,326.84 : x
2. Step 2: Convert to fraction form
   166,778.34/230,151.83 = 91,326.84/x
3. Step 3: Cross multiply
   166,778.34x = 230,151.83 × 91,326.84
4. Step 4: Simplify right side
   166,778.34x = 21,019,038,897.48
5. Step 5: Solve for x
   x = 21,019,038,897.48/166,778.34
6. Step 6: Final answer
   x = 126,029.79