Finding the Fourth Proportional to 116,931.54, 161,375.09 and 65,941.62

Step by Step Solution

1. Step 1: Write the proportion equation
   116,931.54 : 161,375.09 = 65,941.62 : x
2. Step 2: Convert to fraction form
   116,931.54/161,375.09 = 65,941.62/x
3. Step 3: Cross multiply
   116,931.54x = 161,375.09 × 65,941.62
4. Step 4: Simplify right side
   116,931.54x = 10,641,334,862.25
5. Step 5: Solve for x
   x = 10,641,334,862.25/116,931.54
6. Step 6: Final answer
   x = 91,004.83