Finding the Fourth Proportional to 116,282.87, 160,471.46 and 65,977.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,282.87 : 160,471.46 = 65,977.91 : x
2. Step 2: Convert to fraction form
   116,282.87/160,471.46 = 65,977.91/x
3. Step 3: Cross multiply
   116,282.87x = 160,471.46 × 65,977.91
4. Step 4: Simplify right side
   116,282.87x = 10,587,571,545.45
5. Step 5: Solve for x
   x = 10,587,571,545.45/116,282.87
6. Step 6: Final answer
   x = 91,050.14