Finding the Fourth Proportional to 53,667.80, 80,469.70 and 32,906.20

Step by Step Solution

1. Step 1: Write the proportion equation
   53,667.80 : 80,469.70 = 32,906.20 : x
2. Step 2: Convert to fraction form
   53,667.80/80,469.70 = 32,906.20/x
3. Step 3: Cross multiply
   53,667.80x = 80,469.70 × 32,906.20
4. Step 4: Simplify right side
   53,667.80x = 2,647,952,042.14
5. Step 5: Solve for x
   x = 2,647,952,042.14/53,667.80
6. Step 6: Final answer
   x = 49,339.68