Finding the Fourth Proportional to 33,290.26, 49,942.59 and 9,918.58

Step by Step Solution

1. Step 1: Write the proportion equation
   33,290.26 : 49,942.59 = 9,918.58 : x
2. Step 2: Convert to fraction form
   33,290.26/49,942.59 = 9,918.58/x
3. Step 3: Cross multiply
   33,290.26x = 49,942.59 × 9,918.58
4. Step 4: Simplify right side
   33,290.26x = 495,359,574.32
5. Step 5: Solve for x
   x = 495,359,574.32/33,290.26
6. Step 6: Final answer
   x = 14,880.02