Finding the Fourth Proportional to 57,968.82, 79,918.43 and 49,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,968.82 : 79,918.43 = 49,561.25 : x
2. Step 2: Convert to fraction form
   57,968.82/79,918.43 = 49,561.25/x
3. Step 3: Cross multiply
   57,968.82x = 79,918.43 × 49,561.25
4. Step 4: Simplify right side
   57,968.82x = 3,960,856,641.44
5. Step 5: Solve for x
   x = 3,960,856,641.44/57,968.82
6. Step 6: Final answer
   x = 68,327.36