Finding the Fourth Proportional to 475,978.68, 714,667.86 and 196,042.68

Step by Step Solution

1. Step 1: Write the proportion equation
   475,978.68 : 714,667.86 = 196,042.68 : x
2. Step 2: Convert to fraction form
   475,978.68/714,667.86 = 196,042.68/x
3. Step 3: Cross multiply
   475,978.68x = 714,667.86 × 196,042.68
4. Step 4: Simplify right side
   475,978.68x = 140,105,402,584.27
5. Step 5: Solve for x
   x = 140,105,402,584.27/475,978.68
6. Step 6: Final answer
   x = 294,352.27