Finding the Fourth Proportional to 116,956, 161,399.02 and 65,968.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,956 : 161,399.02 = 65,968.56 : x
2. Step 2: Convert to fraction form
   116,956/161,399.02 = 65,968.56/x
3. Step 3: Cross multiply
   116,956x = 161,399.02 × 65,968.56
4. Step 4: Simplify right side
   116,956x = 10,647,260,934.81
5. Step 5: Solve for x
   x = 10,647,260,934.81/116,956
6. Step 6: Final answer
   x = 91,036.47