Finding the Fourth Proportional to 131,136.34, 196,744.60 and 55,274.16

Step by Step Solution

1. Step 1: Write the proportion equation
   131,136.34 : 196,744.60 = 55,274.16 : x
2. Step 2: Convert to fraction form
   131,136.34/196,744.60 = 55,274.16/x
3. Step 3: Cross multiply
   131,136.34x = 196,744.60 × 55,274.16
4. Step 4: Simplify right side
   131,136.34x = 10,874,892,499.54
5. Step 5: Solve for x
   x = 10,874,892,499.54/131,136.34
6. Step 6: Final answer
   x = 82,928.14