Finding the Fourth Proportional to 116,097.38, 160,221.37 and 65,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,097.38 : 160,221.37 = 65,113.12 : x
2. Step 2: Convert to fraction form
   116,097.38/160,221.37 = 65,113.12/x
3. Step 3: Cross multiply
   116,097.38x = 160,221.37 × 65,113.12
4. Step 4: Simplify right side
   116,097.38x = 10,432,512,728.04
5. Step 5: Solve for x
   x = 10,432,512,728.04/116,097.38
6. Step 6: Final answer
   x = 89,860.02