Finding the Fourth Proportional to 166,471.98, 229,731.33 and 91,020.48

Step by Step Solution

1. Step 1: Write the proportion equation
   166,471.98 : 229,731.33 = 91,020.48 : x
2. Step 2: Convert to fraction form
   166,471.98/229,731.33 = 91,020.48/x
3. Step 3: Cross multiply
   166,471.98x = 229,731.33 × 91,020.48
4. Step 4: Simplify right side
   166,471.98x = 20,910,254,323.88
5. Step 5: Solve for x
   x = 20,910,254,323.88/166,471.98
6. Step 6: Final answer
   x = 125,608.26