Finding the Fourth Proportional to 63,172.89, 87,171.53 and 34,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   63,172.89 : 87,171.53 = 34,871.49 : x
2. Step 2: Convert to fraction form
   63,172.89/87,171.53 = 34,871.49/x
3. Step 3: Cross multiply
   63,172.89x = 87,171.53 × 34,871.49
4. Step 4: Simplify right side
   63,172.89x = 3,039,800,962.32
5. Step 5: Solve for x
   x = 3,039,800,962.32/63,172.89
6. Step 6: Final answer
   x = 48,118.76