Finding the Fourth Proportional to 131,059.74, 196,664.27 and 51,087.30

Step by Step Solution

1. Step 1: Write the proportion equation
   131,059.74 : 196,664.27 = 51,087.30 : x
2. Step 2: Convert to fraction form
   131,059.74/196,664.27 = 51,087.30/x
3. Step 3: Cross multiply
   131,059.74x = 196,664.27 × 51,087.30
4. Step 4: Simplify right side
   131,059.74x = 10,047,046,623.85
5. Step 5: Solve for x
   x = 10,047,046,623.85/131,059.74
6. Step 6: Final answer
   x = 76,660.05