Finding the Fourth Proportional to 116,790.92, 161,155.32 and 65,795.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,790.92 : 161,155.32 = 65,795.12 : x
2. Step 2: Convert to fraction form
   116,790.92/161,155.32 = 65,795.12/x
3. Step 3: Cross multiply
   116,790.92x = 161,155.32 × 65,795.12
4. Step 4: Simplify right side
   116,790.92x = 10,603,233,618.04
5. Step 5: Solve for x
   x = 10,603,233,618.04/116,790.92
6. Step 6: Final answer
   x = 90,788.17