Finding the Fourth Proportional to 116,116.27, 160,246.79 and 65,145.14

Step by Step Solution

1. Step 1: Write the proportion equation
   116,116.27 : 160,246.79 = 65,145.14 : x
2. Step 2: Convert to fraction form
   116,116.27/160,246.79 = 65,145.14/x
3. Step 3: Cross multiply
   116,116.27x = 160,246.79 × 65,145.14
4. Step 4: Simplify right side
   116,116.27x = 10,439,299,243.37
5. Step 5: Solve for x
   x = 10,439,299,243.37/116,116.27
6. Step 6: Final answer
   x = 89,903.85