Finding the Fourth Proportional to 116,861.33, 161,301.72 and 69,131.27

Step by Step Solution

1. Step 1: Write the proportion equation
   116,861.33 : 161,301.72 = 69,131.27 : x
2. Step 2: Convert to fraction form
   116,861.33/161,301.72 = 69,131.27/x
3. Step 3: Cross multiply
   116,861.33x = 161,301.72 × 69,131.27
4. Step 4: Simplify right side
   116,861.33x = 11,150,992,756.78
5. Step 5: Solve for x
   x = 11,150,992,756.78/116,861.33
6. Step 6: Final answer
   x = 95,420.72