Finding the Fourth Proportional to 167,433, 231,057.63 and 91,986.36

Step by Step Solution

1. Step 1: Write the proportion equation
   167,433 : 231,057.63 = 91,986.36 : x
2. Step 2: Convert to fraction form
   167,433/231,057.63 = 91,986.36/x
3. Step 3: Cross multiply
   167,433x = 231,057.63 × 91,986.36
4. Step 4: Simplify right side
   167,433x = 21,254,150,333.93
5. Step 5: Solve for x
   x = 21,254,150,333.93/167,433
6. Step 6: Final answer
   x = 126,941.23