Finding the Fourth Proportional to 116,951.92, 161,393.42 and 65,964.49

Step by Step Solution

1. Step 1: Write the proportion equation
   116,951.92 : 161,393.42 = 65,964.49 : x
2. Step 2: Convert to fraction form
   116,951.92/161,393.42 = 65,964.49/x
3. Step 3: Cross multiply
   116,951.92x = 161,393.42 × 65,964.49
4. Step 4: Simplify right side
   116,951.92x = 10,646,233,502.87
5. Step 5: Solve for x
   x = 10,646,233,502.87/116,951.92
6. Step 6: Final answer
   x = 91,030.86