Finding the Fourth Proportional to 67,634.41, 93,365.38 and 40,420.09

Step by Step Solution

1. Step 1: Write the proportion equation
   67,634.41 : 93,365.38 = 40,420.09 : x
2. Step 2: Convert to fraction form
   67,634.41/93,365.38 = 40,420.09/x
3. Step 3: Cross multiply
   67,634.41x = 93,365.38 × 40,420.09
4. Step 4: Simplify right side
   67,634.41x = 3,773,837,144.32
5. Step 5: Solve for x
   x = 3,773,837,144.32/67,634.41
6. Step 6: Final answer
   x = 55,797.59