Finding the Fourth Proportional to 33,212.72, 49,830.02 and 13,485.98

Step by Step Solution

1. Step 1: Write the proportion equation
   33,212.72 : 49,830.02 = 13,485.98 : x
2. Step 2: Convert to fraction form
   33,212.72/49,830.02 = 13,485.98/x
3. Step 3: Cross multiply
   33,212.72x = 49,830.02 × 13,485.98
4. Step 4: Simplify right side
   33,212.72x = 672,006,653.12
5. Step 5: Solve for x
   x = 672,006,653.12/33,212.72
6. Step 6: Final answer
   x = 20,233.41