Finding the Fourth Proportional to 67,665.49, 93,372.05 and 40,436.17

Step by Step Solution

1. Step 1: Write the proportion equation
   67,665.49 : 93,372.05 = 40,436.17 : x
2. Step 2: Convert to fraction form
   67,665.49/93,372.05 = 40,436.17/x
3. Step 3: Cross multiply
   67,665.49x = 93,372.05 × 40,436.17
4. Step 4: Simplify right side
   67,665.49x = 3,775,608,087.05
5. Step 5: Solve for x
   x = 3,775,608,087.05/67,665.49
6. Step 6: Final answer
   x = 55,798.13