Finding the Fourth Proportional to 196,520.97, 294,843.76 and 70,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,520.97 : 294,843.76 = 70,158.50 : x
2. Step 2: Convert to fraction form
   196,520.97/294,843.76 = 70,158.50/x
3. Step 3: Cross multiply
   196,520.97x = 294,843.76 × 70,158.50
4. Step 4: Simplify right side
   196,520.97x = 20,685,795,392.01
5. Step 5: Solve for x
   x = 20,685,795,392.01/196,520.97
6. Step 6: Final answer
   x = 105,259.99