Finding the Fourth Proportional to 35,945.37, 53,924.55 and 12,251.61

Step by Step Solution

1. Step 1: Write the proportion equation
   35,945.37 : 53,924.55 = 12,251.61 : x
2. Step 2: Convert to fraction form
   35,945.37/53,924.55 = 12,251.61/x
3. Step 3: Cross multiply
   35,945.37x = 53,924.55 × 12,251.61
4. Step 4: Simplify right side
   35,945.37x = 660,662,556.03
5. Step 5: Solve for x
   x = 660,662,556.03/35,945.37
6. Step 6: Final answer
   x = 18,379.63