Finding the Fourth Proportional to 196,404.89, 271,017.70 and 131,861.05

Step by Step Solution

1. Step 1: Write the proportion equation
   196,404.89 : 271,017.70 = 131,861.05 : x
2. Step 2: Convert to fraction form
   196,404.89/271,017.70 = 131,861.05/x
3. Step 3: Cross multiply
   196,404.89x = 271,017.70 × 131,861.05
4. Step 4: Simplify right side
   196,404.89x = 35,736,677,483.39
5. Step 5: Solve for x
   x = 35,736,677,483.39/196,404.89
6. Step 6: Final answer
   x = 181,954.12