Finding the Fourth Proportional to 116,096.09, 160,214.42 and 65,120.14

Step by Step Solution

1. Step 1: Write the proportion equation
   116,096.09 : 160,214.42 = 65,120.14 : x
2. Step 2: Convert to fraction form
   116,096.09/160,214.42 = 65,120.14/x
3. Step 3: Cross multiply
   116,096.09x = 160,214.42 × 65,120.14
4. Step 4: Simplify right side
   116,096.09x = 10,433,184,734.28
5. Step 5: Solve for x
   x = 10,433,184,734.28/116,096.09
6. Step 6: Final answer
   x = 89,866.80