Finding the Fourth Proportional to 196,270.50, 294,410.61 and 71,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,270.50 : 294,410.61 = 71,611.50 : x
2. Step 2: Convert to fraction form
   196,270.50/294,410.61 = 71,611.50/x
3. Step 3: Cross multiply
   196,270.50x = 294,410.61 × 71,611.50
4. Step 4: Simplify right side
   196,270.50x = 21,083,185,398.02
5. Step 5: Solve for x
   x = 21,083,185,398.02/196,270.50
6. Step 6: Final answer
   x = 107,419.02