Finding the Fourth Proportional to 35,609.38, 49,126.09 and 20,498.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,609.38 : 49,126.09 = 20,498.42 : x
2. Step 2: Convert to fraction form
   35,609.38/49,126.09 = 20,498.42/x
3. Step 3: Cross multiply
   35,609.38x = 49,126.09 × 20,498.42
4. Step 4: Simplify right side
   35,609.38x = 1,007,007,225.78
5. Step 5: Solve for x
   x = 1,007,007,225.78/35,609.38
6. Step 6: Final answer
   x = 28,279.27