Finding the Fourth Proportional to 35,969.84, 49,638.45 and 20,055.31

Step by Step Solution

1. Step 1: Write the proportion equation
   35,969.84 : 49,638.45 = 20,055.31 : x
2. Step 2: Convert to fraction form
   35,969.84/49,638.45 = 20,055.31/x
3. Step 3: Cross multiply
   35,969.84x = 49,638.45 × 20,055.31
4. Step 4: Simplify right side
   35,969.84x = 995,514,502.67
5. Step 5: Solve for x
   x = 995,514,502.67/35,969.84
6. Step 6: Final answer
   x = 27,676.37