Finding the Fourth Proportional to 617,667.15, 926,569.85 and 196,847.31

Step by Step Solution

1. Step 1: Write the proportion equation
   617,667.15 : 926,569.85 = 196,847.31 : x
2. Step 2: Convert to fraction form
   617,667.15/926,569.85 = 196,847.31/x
3. Step 3: Cross multiply
   617,667.15x = 926,569.85 × 196,847.31
4. Step 4: Simplify right side
   617,667.15x = 182,392,781,515.37
5. Step 5: Solve for x
   x = 182,392,781,515.37/617,667.15
6. Step 6: Final answer
   x = 295,292.99