Finding the Fourth Proportional to 35,726.76, 49,291.57 and 20,617.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,726.76 : 49,291.57 = 20,617.42 : x
2. Step 2: Convert to fraction form
   35,726.76/49,291.57 = 20,617.42/x
3. Step 3: Cross multiply
   35,726.76x = 49,291.57 × 20,617.42
4. Step 4: Simplify right side
   35,726.76x = 1,016,265,001.15
5. Step 5: Solve for x
   x = 1,016,265,001.15/35,726.76
6. Step 6: Final answer
   x = 28,445.48