Finding the Fourth Proportional to 236,464.56, 326,676.50 and 154,986.15

Step by Step Solution

1. Step 1: Write the proportion equation
   236,464.56 : 326,676.50 = 154,986.15 : x
2. Step 2: Convert to fraction form
   236,464.56/326,676.50 = 154,986.15/x
3. Step 3: Cross multiply
   236,464.56x = 326,676.50 × 154,986.15
4. Step 4: Simplify right side
   236,464.56x = 50,630,333,030.48
5. Step 5: Solve for x
   x = 50,630,333,030.48/236,464.56
6. Step 6: Final answer
   x = 214,113.83