Finding the Fourth Proportional to 222,759.63, 307,380.72 and 142,234.29

Step by Step Solution

1. Step 1: Write the proportion equation
   222,759.63 : 307,380.72 = 142,234.29 : x
2. Step 2: Convert to fraction form
   222,759.63/307,380.72 = 142,234.29/x
3. Step 3: Cross multiply
   222,759.63x = 307,380.72 × 142,234.29
4. Step 4: Simplify right side
   222,759.63x = 43,720,078,468.89
5. Step 5: Solve for x
   x = 43,720,078,468.89/222,759.63
6. Step 6: Final answer
   x = 196,265.72