Finding the Fourth Proportional to 33,419, 46,118.23 and 19,990.82

Step by Step Solution

1. Step 1: Write the proportion equation
   33,419 : 46,118.23 = 19,990.82 : x
2. Step 2: Convert to fraction form
   33,419/46,118.23 = 19,990.82/x
3. Step 3: Cross multiply
   33,419x = 46,118.23 × 19,990.82
4. Step 4: Simplify right side
   33,419x = 921,941,234.65
5. Step 5: Solve for x
   x = 921,941,234.65/33,419
6. Step 6: Final answer
   x = 27,587.34