Finding the Fourth Proportional to 166,629, 229,948.02 and 91,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,629 : 229,948.02 = 91,177.50 : x
2. Step 2: Convert to fraction form
   166,629/229,948.02 = 91,177.50/x
3. Step 3: Cross multiply
   166,629x = 229,948.02 × 91,177.50
4. Step 4: Simplify right side
   166,629x = 20,966,085,593.55
5. Step 5: Solve for x
   x = 20,966,085,593.55/166,629
6. Step 6: Final answer
   x = 125,824.95