Finding the Fourth Proportional to 116,859.50, 161,262.69 and 65,875.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,859.50 : 161,262.69 = 65,875.22 : x
2. Step 2: Convert to fraction form
   116,859.50/161,262.69 = 65,875.22/x
3. Step 3: Cross multiply
   116,859.50x = 161,262.69 × 65,875.22
4. Step 4: Simplify right side
   116,859.50x = 10,623,215,181.54
5. Step 5: Solve for x
   x = 10,623,215,181.54/116,859.50
6. Step 6: Final answer
   x = 90,905.88