Finding the Fourth Proportional to 116,962.55, 161,404.68 and 65,974.53

Step by Step Solution

1. Step 1: Write the proportion equation
   116,962.55 : 161,404.68 = 65,974.53 : x
2. Step 2: Convert to fraction form
   116,962.55/161,404.68 = 65,974.53/x
3. Step 3: Cross multiply
   116,962.55x = 161,404.68 × 65,974.53
4. Step 4: Simplify right side
   116,962.55x = 10,648,598,755.47
5. Step 5: Solve for x
   x = 10,648,598,755.47/116,962.55
6. Step 6: Final answer
   x = 91,042.81