Finding the Fourth Proportional to 116,892.69, 161,308.68 and 65,904.97

Step by Step Solution

1. Step 1: Write the proportion equation
   116,892.69 : 161,308.68 = 65,904.97 : x
2. Step 2: Convert to fraction form
   116,892.69/161,308.68 = 65,904.97/x
3. Step 3: Cross multiply
   116,892.69x = 161,308.68 × 65,904.97
4. Step 4: Simplify right side
   116,892.69x = 10,631,043,716.14
5. Step 5: Solve for x
   x = 10,631,043,716.14/116,892.69
6. Step 6: Final answer
   x = 90,947.04