Finding the Fourth Proportional to 116,955.27, 161,399.18 and 64,568.87

Step by Step Solution

1. Step 1: Write the proportion equation
   116,955.27 : 161,399.18 = 64,568.87 : x
2. Step 2: Convert to fraction form
   116,955.27/161,399.18 = 64,568.87/x
3. Step 3: Cross multiply
   116,955.27x = 161,399.18 × 64,568.87
4. Step 4: Simplify right side
   116,955.27x = 10,421,363,236.45
5. Step 5: Solve for x
   x = 10,421,363,236.45/116,955.27
6. Step 6: Final answer
   x = 89,105.55