Finding the Fourth Proportional to 116,926.10, 161,359.72 and 65,941.26

Step by Step Solution

1. Step 1: Write the proportion equation
   116,926.10 : 161,359.72 = 65,941.26 : x
2. Step 2: Convert to fraction form
   116,926.10/161,359.72 = 65,941.26/x
3. Step 3: Cross multiply
   116,926.10x = 161,359.72 × 65,941.26
4. Step 4: Simplify right side
   116,926.10x = 10,640,263,250.05
5. Step 5: Solve for x
   x = 10,640,263,250.05/116,926.10
6. Step 6: Final answer
   x = 90,999.90