Finding the Fourth Proportional to 116,879.24, 161,298.10 and 65,893.89

Step by Step Solution

1. Step 1: Write the proportion equation
   116,879.24 : 161,298.10 = 65,893.89 : x
2. Step 2: Convert to fraction form
   116,879.24/161,298.10 = 65,893.89/x
3. Step 3: Cross multiply
   116,879.24x = 161,298.10 × 65,893.89
4. Step 4: Simplify right side
   116,879.24x = 10,628,559,258.61
5. Step 5: Solve for x
   x = 10,628,559,258.61/116,879.24
6. Step 6: Final answer
   x = 90,936.25