Finding the Fourth Proportional to 222,456.83, 306,991.34 and 120,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,456.83 : 306,991.34 = 120,483.50 : x
2. Step 2: Convert to fraction form
   222,456.83/306,991.34 = 120,483.50/x
3. Step 3: Cross multiply
   222,456.83x = 306,991.34 × 120,483.50
4. Step 4: Simplify right side
   222,456.83x = 36,987,388,975.52
5. Step 5: Solve for x
   x = 36,987,388,975.52/222,456.83
6. Step 6: Final answer
   x = 166,267.72