Finding the Fourth Proportional to 116,912.27, 161,332.88 and 65,923.58

Step by Step Solution

1. Step 1: Write the proportion equation
   116,912.27 : 161,332.88 = 65,923.58 : x
2. Step 2: Convert to fraction form
   116,912.27/161,332.88 = 65,923.58/x
3. Step 3: Cross multiply
   116,912.27x = 161,332.88 × 65,923.58
4. Step 4: Simplify right side
   116,912.27x = 10,635,639,885.03
5. Step 5: Solve for x
   x = 10,635,639,885.03/116,912.27
6. Step 6: Final answer
   x = 90,971.12