Finding the Fourth Proportional to 35,826.43, 53,744.51 and 12,449.83

Step by Step Solution

1. Step 1: Write the proportion equation
   35,826.43 : 53,744.51 = 12,449.83 : x
2. Step 2: Convert to fraction form
   35,826.43/53,744.51 = 12,449.83/x
3. Step 3: Cross multiply
   35,826.43x = 53,744.51 × 12,449.83
4. Step 4: Simplify right side
   35,826.43x = 669,110,012.93
5. Step 5: Solve for x
   x = 669,110,012.93/35,826.43
6. Step 6: Final answer
   x = 18,676.44