Finding the Fourth Proportional to 222,096.50, 306,500.48 and 121,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,096.50 : 306,500.48 = 121,494.50 : x
2. Step 2: Convert to fraction form
   222,096.50/306,500.48 = 121,494.50/x
3. Step 3: Cross multiply
   222,096.50x = 306,500.48 × 121,494.50
4. Step 4: Simplify right side
   222,096.50x = 37,238,122,871.10
5. Step 5: Solve for x
   x = 37,238,122,871.10/222,096.50
6. Step 6: Final answer
   x = 167,666.41