Finding the Fourth Proportional to 166,667.16, 229,991.82 and 91,201.08

Step by Step Solution

1. Step 1: Write the proportion equation
   166,667.16 : 229,991.82 = 91,201.08 : x
2. Step 2: Convert to fraction form
   166,667.16/229,991.82 = 91,201.08/x
3. Step 3: Cross multiply
   166,667.16x = 229,991.82 × 91,201.08
4. Step 4: Simplify right side
   166,667.16x = 20,975,502,375.17
5. Step 5: Solve for x
   x = 20,975,502,375.17/166,667.16
6. Step 6: Final answer
   x = 125,852.64