Finding the Fourth Proportional to 63,168.54, 87,172.70 and 34,488.20

Step by Step Solution

1. Step 1: Write the proportion equation
   63,168.54 : 87,172.70 = 34,488.20 : x
2. Step 2: Convert to fraction form
   63,168.54/87,172.70 = 34,488.20/x
3. Step 3: Cross multiply
   63,168.54x = 87,172.70 × 34,488.20
4. Step 4: Simplify right side
   63,168.54x = 3,006,429,076.28
5. Step 5: Solve for x
   x = 3,006,429,076.28/63,168.54
6. Step 6: Final answer
   x = 47,593.78