Finding the Fourth Proportional to 116,009.57, 160,106.49 and 65,036.07

Step by Step Solution

1. Step 1: Write the proportion equation
   116,009.57 : 160,106.49 = 65,036.07 : x
2. Step 2: Convert to fraction form
   116,009.57/160,106.49 = 65,036.07/x
3. Step 3: Cross multiply
   116,009.57x = 160,106.49 × 65,036.07
4. Step 4: Simplify right side
   116,009.57x = 10,412,696,891.09
5. Step 5: Solve for x
   x = 10,412,696,891.09/116,009.57
6. Step 6: Final answer
   x = 89,757.22