Finding the Fourth Proportional to 116,968.48, 161,406.72 and 69,213.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,968.48 : 161,406.72 = 69,213.48 : x
2. Step 2: Convert to fraction form
   116,968.48/161,406.72 = 69,213.48/x
3. Step 3: Cross multiply
   116,968.48x = 161,406.72 × 69,213.48
4. Step 4: Simplify right side
   116,968.48x = 11,171,520,786.59
5. Step 5: Solve for x
   x = 11,171,520,786.59/116,968.48
6. Step 6: Final answer
   x = 95,508.81