Finding the Fourth Proportional to 116,788.92, 161,152.56 and 65,793.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,788.92 : 161,152.56 = 65,793.12 : x
2. Step 2: Convert to fraction form
   116,788.92/161,152.56 = 65,793.12/x
3. Step 3: Cross multiply
   116,788.92x = 161,152.56 × 65,793.12
4. Step 4: Simplify right side
   116,788.92x = 10,602,729,718.39
5. Step 5: Solve for x
   x = 10,602,729,718.39/116,788.92
6. Step 6: Final answer
   x = 90,785.41