Finding the Fourth Proportional to 67,166.88, 100,728.54 and 22,178.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,166.88 : 100,728.54 = 22,178.12 : x
2. Step 2: Convert to fraction form
   67,166.88/100,728.54 = 22,178.12/x
3. Step 3: Cross multiply
   67,166.88x = 100,728.54 × 22,178.12
4. Step 4: Simplify right side
   67,166.88x = 2,233,969,647.54
5. Step 5: Solve for x
   x = 2,233,969,647.54/67,166.88
6. Step 6: Final answer
   x = 33,259.99