Finding the Fourth Proportional to 33,086.84, 49,638.42 and 9,713.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,086.84 : 49,638.42 = 9,713.28 : x
2. Step 2: Convert to fraction form
   33,086.84/49,638.42 = 9,713.28/x
3. Step 3: Cross multiply
   33,086.84x = 49,638.42 × 9,713.28
4. Step 4: Simplify right side
   33,086.84x = 482,151,872.22
5. Step 5: Solve for x
   x = 482,151,872.22/33,086.84
6. Step 6: Final answer
   x = 14,572.32