Finding the Fourth Proportional to 33,013.43, 49,534.72 and 13,330.43

Step by Step Solution

1. Step 1: Write the proportion equation
   33,013.43 : 49,534.72 = 13,330.43 : x
2. Step 2: Convert to fraction form
   33,013.43/49,534.72 = 13,330.43/x
3. Step 3: Cross multiply
   33,013.43x = 49,534.72 × 13,330.43
4. Step 4: Simplify right side
   33,013.43x = 660,318,836.53
5. Step 5: Solve for x
   x = 660,318,836.53/33,013.43
6. Step 6: Final answer
   x = 20,001.52