Finding the Fourth Proportional to 222,784.56, 307,449.72 and 122,191.92

Step by Step Solution

1. Step 1: Write the proportion equation
   222,784.56 : 307,449.72 = 122,191.92 : x
2. Step 2: Convert to fraction form
   222,784.56/307,449.72 = 122,191.92/x
3. Step 3: Cross multiply
   222,784.56x = 307,449.72 × 122,191.92
4. Step 4: Simplify right side
   222,784.56x = 37,567,871,590.26
5. Step 5: Solve for x
   x = 37,567,871,590.26/222,784.56
6. Step 6: Final answer
   x = 168,628.70