Finding the Fourth Proportional to 67,871.13, 101,255.61 and 64,196.97

Step by Step Solution

1. Step 1: Write the proportion equation
   67,871.13 : 101,255.61 = 64,196.97 : x
2. Step 2: Convert to fraction form
   67,871.13/101,255.61 = 64,196.97/x
3. Step 3: Cross multiply
   67,871.13x = 101,255.61 × 64,196.97
4. Step 4: Simplify right side
   67,871.13x = 6,500,303,357.50
5. Step 5: Solve for x
   x = 6,500,303,357.50/67,871.13
6. Step 6: Final answer
   x = 95,774.20