Finding the Fourth Proportional to 222,650.47, 307,144.71 and 140,840.88

Step by Step Solution

1. Step 1: Write the proportion equation
   222,650.47 : 307,144.71 = 140,840.88 : x
2. Step 2: Convert to fraction form
   222,650.47/307,144.71 = 140,840.88/x
3. Step 3: Cross multiply
   222,650.47x = 307,144.71 × 140,840.88
4. Step 4: Simplify right side
   222,650.47x = 43,258,530,091.95
5. Step 5: Solve for x
   x = 43,258,530,091.95/222,650.47
6. Step 6: Final answer
   x = 194,288.97