Finding the Fourth Proportional to 36,076.47, 49,783.86 and 20,160.78

Step by Step Solution

1. Step 1: Write the proportion equation
   36,076.47 : 49,783.86 = 20,160.78 : x
2. Step 2: Convert to fraction form
   36,076.47/49,783.86 = 20,160.78/x
3. Step 3: Cross multiply
   36,076.47x = 49,783.86 × 20,160.78
4. Step 4: Simplify right side
   36,076.47x = 1,003,681,449.01
5. Step 5: Solve for x
   x = 1,003,681,449.01/36,076.47
6. Step 6: Final answer
   x = 27,820.94