Finding the Fourth Proportional to 33,083.94, 45,638.72 and 20,486.82

Step by Step Solution

1. Step 1: Write the proportion equation
   33,083.94 : 45,638.72 = 20,486.82 : x
2. Step 2: Convert to fraction form
   33,083.94/45,638.72 = 20,486.82/x
3. Step 3: Cross multiply
   33,083.94x = 45,638.72 × 20,486.82
4. Step 4: Simplify right side
   33,083.94x = 934,992,241.67
5. Step 5: Solve for x
   x = 934,992,241.67/33,083.94
6. Step 6: Final answer
   x = 28,261.21