Finding the Fourth Proportional to 131.00, 196.49 and 53.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131.00 : 196.49 = 53.94 : x
2. Step 2: Convert to fraction form
   131.00/196.49 = 53.94/x
3. Step 3: Cross multiply
   131.00x = 196.49 × 53.94
4. Step 4: Simplify right side
   131.00x = 10,598.40
5. Step 5: Solve for x
   x = 10,598.40/131.00
6. Step 6: Final answer
   x = 80.91