Finding the Fourth Proportional to 196,401.50, 294,731.45 and 107,717.30

Step by Step Solution

1. Step 1: Write the proportion equation
   196,401.50 : 294,731.45 = 107,717.30 : x
2. Step 2: Convert to fraction form
   196,401.50/294,731.45 = 107,717.30/x
3. Step 3: Cross multiply
   196,401.50x = 294,731.45 × 107,717.30
4. Step 4: Simplify right side
   196,401.50x = 31,747,676,019.09
5. Step 5: Solve for x
   x = 31,747,676,019.09/196,401.50
6. Step 6: Final answer
   x = 161,646.81