Finding the Fourth Proportional to 20,047.98, 27,653.31 and 13,763.82

Step by Step Solution

1. Step 1: Write the proportion equation
   20,047.98 : 27,653.31 = 13,763.82 : x
2. Step 2: Convert to fraction form
   20,047.98/27,653.31 = 13,763.82/x
3. Step 3: Cross multiply
   20,047.98x = 27,653.31 × 13,763.82
4. Step 4: Simplify right side
   20,047.98x = 380,615,181.24
5. Step 5: Solve for x
   x = 380,615,181.24/20,047.98
6. Step 6: Final answer
   x = 18,985.21