Finding the Fourth Proportional to 325,808.50, 488,559.38 and 126,222.34

Step by Step Solution

1. Step 1: Write the proportion equation
   325,808.50 : 488,559.38 = 126,222.34 : x
2. Step 2: Convert to fraction form
   325,808.50/488,559.38 = 126,222.34/x
3. Step 3: Cross multiply
   325,808.50x = 488,559.38 × 126,222.34
4. Step 4: Simplify right side
   325,808.50x = 61,667,108,172.55
5. Step 5: Solve for x
   x = 61,667,108,172.55/325,808.50
6. Step 6: Final answer
   x = 189,274.09