Finding the Fourth Proportional to 116,953.92, 161,385 and 65,974.68

Step by Step Solution

1. Step 1: Write the proportion equation
   116,953.92 : 161,385 = 65,974.68 : x
2. Step 2: Convert to fraction form
   116,953.92/161,385 = 65,974.68/x
3. Step 3: Cross multiply
   116,953.92x = 161,385 × 65,974.68
4. Step 4: Simplify right side
   116,953.92x = 10,647,323,731.80
5. Step 5: Solve for x
   x = 10,647,323,731.80/116,953.92
6. Step 6: Final answer
   x = 91,038.62