Finding the Fourth Proportional to 53,976.78, 80,970.56 and 16,536.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,976.78 : 80,970.56 = 16,536.42 : x
2. Step 2: Convert to fraction form
   53,976.78/80,970.56 = 16,536.42/x
3. Step 3: Cross multiply
   53,976.78x = 80,970.56 × 16,536.42
4. Step 4: Simplify right side
   53,976.78x = 1,338,963,187.80
5. Step 5: Solve for x
   x = 1,338,963,187.80/53,976.78
6. Step 6: Final answer
   x = 24,806.28