Finding the Fourth Proportional to 33,043.69, 49,549.25 and 11,980.57

Step by Step Solution

1. Step 1: Write the proportion equation
   33,043.69 : 49,549.25 = 11,980.57 : x
2. Step 2: Convert to fraction form
   33,043.69/49,549.25 = 11,980.57/x
3. Step 3: Cross multiply
   33,043.69x = 49,549.25 × 11,980.57
4. Step 4: Simplify right side
   33,043.69x = 593,628,164.15
5. Step 5: Solve for x
   x = 593,628,164.15/33,043.69
6. Step 6: Final answer
   x = 17,964.95