Finding the Fourth Proportional to 33,196.88, 49,801.08 and 12,420.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,196.88 : 49,801.08 = 12,420.56 : x
2. Step 2: Convert to fraction form
   33,196.88/49,801.08 = 12,420.56/x
3. Step 3: Cross multiply
   33,196.88x = 49,801.08 × 12,420.56
4. Step 4: Simplify right side
   33,196.88x = 618,557,302.20
5. Step 5: Solve for x
   x = 618,557,302.20/33,196.88
6. Step 6: Final answer
   x = 18,633.00