Finding the Fourth Proportional to 63,906.06, 88,196.92 and 38,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,906.06 : 88,196.92 = 38,420.72 : x
2. Step 2: Convert to fraction form
   63,906.06/88,196.92 = 38,420.72/x
3. Step 3: Cross multiply
   63,906.06x = 88,196.92 × 38,420.72
4. Step 4: Simplify right side
   63,906.06x = 3,388,589,168.18
5. Step 5: Solve for x
   x = 3,388,589,168.18/63,906.06
6. Step 6: Final answer
   x = 53,024.54