Finding the Fourth Proportional to 67,536.72, 93,208.68 and 40,692.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,536.72 : 93,208.68 = 40,692.78 : x
2. Step 2: Convert to fraction form
   67,536.72/93,208.68 = 40,692.78/x
3. Step 3: Cross multiply
   67,536.72x = 93,208.68 × 40,692.78
4. Step 4: Simplify right side
   67,536.72x = 3,792,920,309.33
5. Step 5: Solve for x
   x = 3,792,920,309.33/67,536.72
6. Step 6: Final answer
   x = 56,160.86