Finding the Fourth Proportional to 116,281.15, 160,465.94 and 65,294.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,281.15 : 160,465.94 = 65,294.28 : x
2. Step 2: Convert to fraction form
   116,281.15/160,465.94 = 65,294.28/x
3. Step 3: Cross multiply
   116,281.15x = 160,465.94 × 65,294.28
4. Step 4: Simplify right side
   116,281.15x = 10,477,508,016.82
5. Step 5: Solve for x
   x = 10,477,508,016.82/116,281.15
6. Step 6: Final answer
   x = 90,104.96