Finding the Fourth Proportional to 132,086.77, 197,977.57 and 60,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,086.77 : 197,977.57 = 60,860.50 : x
2. Step 2: Convert to fraction form
   132,086.77/197,977.57 = 60,860.50/x
3. Step 3: Cross multiply
   132,086.77x = 197,977.57 × 60,860.50
4. Step 4: Simplify right side
   132,086.77x = 12,049,013,251.89
5. Step 5: Solve for x
   x = 12,049,013,251.89/132,086.77
6. Step 6: Final answer
   x = 91,220.44