Finding the Fourth Proportional to 35,542.35, 53,280.57 and 13,370.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,542.35 : 53,280.57 = 13,370.42 : x
2. Step 2: Convert to fraction form
   35,542.35/53,280.57 = 13,370.42/x
3. Step 3: Cross multiply
   35,542.35x = 53,280.57 × 13,370.42
4. Step 4: Simplify right side
   35,542.35x = 712,383,531.89
5. Step 5: Solve for x
   x = 712,383,531.89/35,542.35
6. Step 6: Final answer
   x = 20,043.23