Finding the Fourth Proportional to 67,216.71, 100,887.30 and 33,960.18

Step by Step Solution

1. Step 1: Write the proportion equation
   67,216.71 : 100,887.30 = 33,960.18 : x
2. Step 2: Convert to fraction form
   67,216.71/100,887.30 = 33,960.18/x
3. Step 3: Cross multiply
   67,216.71x = 100,887.30 × 33,960.18
4. Step 4: Simplify right side
   67,216.71x = 3,426,150,867.71
5. Step 5: Solve for x
   x = 3,426,150,867.71/67,216.71
6. Step 6: Final answer
   x = 50,971.71