Finding the Fourth Proportional to 20,098.94, 27,734.72 and 11,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,098.94 : 27,734.72 = 11,146.42 : x
2. Step 2: Convert to fraction form
   20,098.94/27,734.72 = 11,146.42/x
3. Step 3: Cross multiply
   20,098.94x = 27,734.72 × 11,146.42
4. Step 4: Simplify right side
   20,098.94x = 309,142,723.33
5. Step 5: Solve for x
   x = 309,142,723.33/20,098.94
6. Step 6: Final answer
   x = 15,381.05