Finding the Fourth Proportional to 63,172.88, 87,178.56 and 34,878.76

Step by Step Solution

1. Step 1: Write the proportion equation
   63,172.88 : 87,178.56 = 34,878.76 : x
2. Step 2: Convert to fraction form
   63,172.88/87,178.56 = 34,878.76/x
3. Step 3: Cross multiply
   63,172.88x = 87,178.56 × 34,878.76
4. Step 4: Simplify right side
   63,172.88x = 3,040,680,071.39
5. Step 5: Solve for x
   x = 3,040,680,071.39/63,172.88
6. Step 6: Final answer
   x = 48,132.68