Finding the Fourth Proportional to 294,031.50, 405,766.71 and 159,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   294,031.50 : 405,766.71 = 159,895.50 : x
2. Step 2: Convert to fraction form
   294,031.50/405,766.71 = 159,895.50/x
3. Step 3: Cross multiply
   294,031.50x = 405,766.71 × 159,895.50
4. Step 4: Simplify right side
   294,031.50x = 64,880,270,978.81
5. Step 5: Solve for x
   x = 64,880,270,978.81/294,031.50
6. Step 6: Final answer
   x = 220,657.55