Finding the Fourth Proportional to 166,508.37, 229,776.89 and 91,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   166,508.37 : 229,776.89 = 91,055.25 : x
2. Step 2: Convert to fraction form
   166,508.37/229,776.89 = 91,055.25/x
3. Step 3: Cross multiply
   166,508.37x = 229,776.89 × 91,055.25
4. Step 4: Simplify right side
   166,508.37x = 20,922,391,707.90
5. Step 5: Solve for x
   x = 20,922,391,707.90/166,508.37
6. Step 6: Final answer
   x = 125,653.69