Finding the Fourth Proportional to 25,971.72, 38,961.34 and 8,196.36

Step by Step Solution

1. Step 1: Write the proportion equation
   25,971.72 : 38,961.34 = 8,196.36 : x
2. Step 2: Convert to fraction form
   25,971.72/38,961.34 = 8,196.36/x
3. Step 3: Cross multiply
   25,971.72x = 38,961.34 × 8,196.36
4. Step 4: Simplify right side
   25,971.72x = 319,341,168.72
5. Step 5: Solve for x
   x = 319,341,168.72/25,971.72
6. Step 6: Final answer
   x = 12,295.73