Finding the Fourth Proportional to 33,019.64, 49,541.79 and 13,303.79

Step by Step Solution

1. Step 1: Write the proportion equation
   33,019.64 : 49,541.79 = 13,303.79 : x
2. Step 2: Convert to fraction form
   33,019.64/49,541.79 = 13,303.79/x
3. Step 3: Cross multiply
   33,019.64x = 49,541.79 × 13,303.79
4. Step 4: Simplify right side
   33,019.64x = 659,093,570.38
5. Step 5: Solve for x
   x = 659,093,570.38/33,019.64
6. Step 6: Final answer
   x = 19,960.65