Finding the Fourth Proportional to 63,906.05, 88,196.91 and 38,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,906.05 : 88,196.91 = 38,420.72 : x
2. Step 2: Convert to fraction form
   63,906.05/88,196.91 = 38,420.72/x
3. Step 3: Cross multiply
   63,906.05x = 88,196.91 × 38,420.72
4. Step 4: Simplify right side
   63,906.05x = 3,388,588,783.98
5. Step 5: Solve for x
   x = 3,388,588,783.98/63,906.05
6. Step 6: Final answer
   x = 53,024.54