Finding the Fourth Proportional to 33,212.53, 49,825.63 and 13,491.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,212.53 : 49,825.63 = 13,491.06 : x
2. Step 2: Convert to fraction form
   33,212.53/49,825.63 = 13,491.06/x
3. Step 3: Cross multiply
   33,212.53x = 49,825.63 × 13,491.06
4. Step 4: Simplify right side
   33,212.53x = 672,200,393.89
5. Step 5: Solve for x
   x = 672,200,393.89/33,212.53
6. Step 6: Final answer
   x = 20,239.36