Finding the Fourth Proportional to 116,112.76, 160,237.44 and 65,136.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116,112.76 : 160,237.44 = 65,136.83 : x
2. Step 2: Convert to fraction form
   116,112.76/160,237.44 = 65,136.83/x
3. Step 3: Cross multiply
   116,112.76x = 160,237.44 × 65,136.83
4. Step 4: Simplify right side
   116,112.76x = 10,437,358,087.73
5. Step 5: Solve for x
   x = 10,437,358,087.73/116,112.76
6. Step 6: Final answer
   x = 89,889.85