Finding the Fourth Proportional to 116,776.59, 161,118.32 and 65,771.49

Step by Step Solution

1. Step 1: Write the proportion equation
   116,776.59 : 161,118.32 = 65,771.49 : x
2. Step 2: Convert to fraction form
   116,776.59/161,118.32 = 65,771.49/x
3. Step 3: Cross multiply
   116,776.59x = 161,118.32 × 65,771.49
4. Step 4: Simplify right side
   116,776.59x = 10,596,992,248.03
5. Step 5: Solve for x
   x = 10,596,992,248.03/116,776.59
6. Step 6: Final answer
   x = 90,745.86