Finding the Fourth Proportional to 222,604.50, 307,194.22 and 122,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,604.50 : 307,194.22 = 122,002.50 : x
2. Step 2: Convert to fraction form
   222,604.50/307,194.22 = 122,002.50/x
3. Step 3: Cross multiply
   222,604.50x = 307,194.22 × 122,002.50
4. Step 4: Simplify right side
   222,604.50x = 37,478,462,825.55
5. Step 5: Solve for x
   x = 37,478,462,825.55/222,604.50
6. Step 6: Final answer
   x = 168,363.46