Finding the Fourth Proportional to 116,771.93, 161,145.75 and 65,785.27

Step by Step Solution

1. Step 1: Write the proportion equation
   116,771.93 : 161,145.75 = 65,785.27 : x
2. Step 2: Convert to fraction form
   116,771.93/161,145.75 = 65,785.27/x
3. Step 3: Cross multiply
   116,771.93x = 161,145.75 × 65,785.27
4. Step 4: Simplify right side
   116,771.93x = 10,601,016,932.39
5. Step 5: Solve for x
   x = 10,601,016,932.39/116,771.93
6. Step 6: Final answer
   x = 90,783.95