Finding the Fourth Proportional to 63,721.52, 87,940.32 and 38,229

Step by Step Solution

1. Step 1: Write the proportion equation
   63,721.52 : 87,940.32 = 38,229 : x
2. Step 2: Convert to fraction form
   63,721.52/87,940.32 = 38,229/x
3. Step 3: Cross multiply
   63,721.52x = 87,940.32 × 38,229
4. Step 4: Simplify right side
   63,721.52x = 3,361,870,493.28
5. Step 5: Solve for x
   x = 3,361,870,493.28/63,721.52
6. Step 6: Final answer
   x = 52,758.79