Finding the Fourth Proportional to 33,238.08, 49,842.51 and 12,447

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.08 : 49,842.51 = 12,447 : x
2. Step 2: Convert to fraction form
   33,238.08/49,842.51 = 12,447/x
3. Step 3: Cross multiply
   33,238.08x = 49,842.51 × 12,447
4. Step 4: Simplify right side
   33,238.08x = 620,389,675.29
5. Step 5: Solve for x
   x = 620,389,675.29/33,238.08
6. Step 6: Final answer
   x = 18,665.03