Finding the Fourth Proportional to 36,068.78, 49,777.25 and 20,153.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,068.78 : 49,777.25 = 20,153.31 : x
2. Step 2: Convert to fraction form
   36,068.78/49,777.25 = 20,153.31/x
3. Step 3: Cross multiply
   36,068.78x = 49,777.25 × 20,153.31
4. Step 4: Simplify right side
   36,068.78x = 1,003,176,249.43
5. Step 5: Solve for x
   x = 1,003,176,249.43/36,068.78
6. Step 6: Final answer
   x = 27,812.87