Finding the Fourth Proportional to 166,463.79, 229,721.00 and 91,012.29

Step by Step Solution

1. Step 1: Write the proportion equation
   166,463.79 : 229,721.00 = 91,012.29 : x
2. Step 2: Convert to fraction form
   166,463.79/229,721.00 = 91,012.29/x
3. Step 3: Cross multiply
   166,463.79x = 229,721.00 × 91,012.29
4. Step 4: Simplify right side
   166,463.79x = 20,907,433,816.03
5. Step 5: Solve for x
   x = 20,907,433,816.03/166,463.79
6. Step 6: Final answer
   x = 125,597.49