Finding the Fourth Proportional to 35,621.76, 49,161.72 and 20,514.96

Step by Step Solution

1. Step 1: Write the proportion equation
   35,621.76 : 49,161.72 = 20,514.96 : x
2. Step 2: Convert to fraction form
   35,621.76/49,161.72 = 20,514.96/x
3. Step 3: Cross multiply
   35,621.76x = 49,161.72 × 20,514.96
4. Step 4: Simplify right side
   35,621.76x = 1,008,550,719.33
5. Step 5: Solve for x
   x = 1,008,550,719.33/35,621.76
6. Step 6: Final answer
   x = 28,312.77