Finding the Fourth Proportional to 116,698.25, 161,034 and 65,694.69

Step by Step Solution

1. Step 1: Write the proportion equation
   116,698.25 : 161,034 = 65,694.69 : x
2. Step 2: Convert to fraction form
   116,698.25/161,034 = 65,694.69/x
3. Step 3: Cross multiply
   116,698.25x = 161,034 × 65,694.69
4. Step 4: Simplify right side
   116,698.25x = 10,579,078,709.46
5. Step 5: Solve for x
   x = 10,579,078,709.46/116,698.25
6. Step 6: Final answer
   x = 90,653.28