Finding the Fourth Proportional to 166,354.50, 229,570.83 and 90,904.62

Step by Step Solution

1. Step 1: Write the proportion equation
   166,354.50 : 229,570.83 = 90,904.62 : x
2. Step 2: Convert to fraction form
   166,354.50/229,570.83 = 90,904.62/x
3. Step 3: Cross multiply
   166,354.50x = 229,570.83 × 90,904.62
4. Step 4: Simplify right side
   166,354.50x = 20,869,049,064.23
5. Step 5: Solve for x
   x = 20,869,049,064.23/166,354.50
6. Step 6: Final answer
   x = 125,449.26