Finding the Fourth Proportional to 35,550.72, 53,169.21 and 31,629.49

Step by Step Solution

1. Step 1: Write the proportion equation
   35,550.72 : 53,169.21 = 31,629.49 : x
2. Step 2: Convert to fraction form
   35,550.72/53,169.21 = 31,629.49/x
3. Step 3: Cross multiply
   35,550.72x = 53,169.21 × 31,629.49
4. Step 4: Simplify right side
   35,550.72x = 1,681,714,996.00
5. Step 5: Solve for x
   x = 1,681,714,996.00/35,550.72
6. Step 6: Final answer
   x = 47,304.67