Finding the Fourth Proportional to 33,162.12, 49,741.56 and 12,384

Step by Step Solution

1. Step 1: Write the proportion equation
   33,162.12 : 49,741.56 = 12,384 : x
2. Step 2: Convert to fraction form
   33,162.12/49,741.56 = 12,384/x
3. Step 3: Cross multiply
   33,162.12x = 49,741.56 × 12,384
4. Step 4: Simplify right side
   33,162.12x = 615,999,479.04
5. Step 5: Solve for x
   x = 615,999,479.04/33,162.12
6. Step 6: Final answer
   x = 18,575.40