Finding the Fourth Proportional to 65,196.72, 89,971.56 and 36,911.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,196.72 : 89,971.56 = 36,911.52 : x
2. Step 2: Convert to fraction form
   65,196.72/89,971.56 = 36,911.52/x
3. Step 3: Cross multiply
   65,196.72x = 89,971.56 × 36,911.52
4. Step 4: Simplify right side
   65,196.72x = 3,320,987,036.37
5. Step 5: Solve for x
   x = 3,320,987,036.37/65,196.72
6. Step 6: Final answer
   x = 50,937.95