Finding the Fourth Proportional to 35,421.65, 48,876.71 and 20,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   35,421.65 : 48,876.71 = 20,105.82 : x
2. Step 2: Convert to fraction form
   35,421.65/48,876.71 = 20,105.82/x
3. Step 3: Cross multiply
   35,421.65x = 48,876.71 × 20,105.82
4. Step 4: Simplify right side
   35,421.65x = 982,706,383.72
5. Step 5: Solve for x
   x = 982,706,383.72/35,421.65
6. Step 6: Final answer
   x = 27,743.10