Finding the Fourth Proportional to 116,131.84, 160,352.52 and 89,231.68

Step by Step Solution

1. Step 1: Write the proportion equation
   116,131.84 : 160,352.52 = 89,231.68 : x
2. Step 2: Convert to fraction form
   116,131.84/160,352.52 = 89,231.68/x
3. Step 3: Cross multiply
   116,131.84x = 160,352.52 × 89,231.68
4. Step 4: Simplify right side
   116,131.84x = 14,308,524,751.83
5. Step 5: Solve for x
   x = 14,308,524,751.83/116,131.84
6. Step 6: Final answer
   x = 123,209.32