Finding the Fourth Proportional to 33,537.89, 50,328.71 and 12,761.39

Step by Step Solution

1. Step 1: Write the proportion equation
   33,537.89 : 50,328.71 = 12,761.39 : x
2. Step 2: Convert to fraction form
   33,537.89/50,328.71 = 12,761.39/x
3. Step 3: Cross multiply
   33,537.89x = 50,328.71 × 12,761.39
4. Step 4: Simplify right side
   33,537.89x = 642,264,296.51
5. Step 5: Solve for x
   x = 642,264,296.51/33,537.89
6. Step 6: Final answer
   x = 19,150.41