Finding the Fourth Proportional to 33,111.55, 49,649.10 and 13,367.80

Step by Step Solution

1. Step 1: Write the proportion equation
   33,111.55 : 49,649.10 = 13,367.80 : x
2. Step 2: Convert to fraction form
   33,111.55/49,649.10 = 13,367.80/x
3. Step 3: Cross multiply
   33,111.55x = 49,649.10 × 13,367.80
4. Step 4: Simplify right side
   33,111.55x = 663,699,238.98
5. Step 5: Solve for x
   x = 663,699,238.98/33,111.55
6. Step 6: Final answer
   x = 20,044.34