Finding the Fourth Proportional to 33,084, 49,613.76 and 10,890.90

Step by Step Solution

1. Step 1: Write the proportion equation
   33,084 : 49,613.76 = 10,890.90 : x
2. Step 2: Convert to fraction form
   33,084/49,613.76 = 10,890.90/x
3. Step 3: Cross multiply
   33,084x = 49,613.76 × 10,890.90
4. Step 4: Simplify right side
   33,084x = 540,338,498.78
5. Step 5: Solve for x
   x = 540,338,498.78/33,084
6. Step 6: Final answer
   x = 16,332.32