Finding the Fourth Proportional to 67,871, 101,771.72 and 35,867.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,871 : 101,771.72 = 35,867.28 : x
2. Step 2: Convert to fraction form
   67,871/101,771.72 = 35,867.28/x
3. Step 3: Cross multiply
   67,871x = 101,771.72 × 35,867.28
4. Step 4: Simplify right side
   67,871x = 3,650,274,777.32
5. Step 5: Solve for x
   x = 3,650,274,777.32/67,871
6. Step 6: Final answer
   x = 53,782.54