Finding the Fourth Proportional to 116,910.02, 161,329.77 and 65,921.33

Step by Step Solution

1. Step 1: Write the proportion equation
   116,910.02 : 161,329.77 = 65,921.33 : x
2. Step 2: Convert to fraction form
   116,910.02/161,329.77 = 65,921.33/x
3. Step 3: Cross multiply
   116,910.02x = 161,329.77 × 65,921.33
4. Step 4: Simplify right side
   116,910.02x = 10,635,073,006.99
5. Step 5: Solve for x
   x = 10,635,073,006.99/116,910.02
6. Step 6: Final answer
   x = 90,968.02