Finding the Fourth Proportional to 2,004.88, 3,007.23 and 543.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.88 : 3,007.23 = 543.94 : x
2. Step 2: Convert to fraction form
   2,004.88/3,007.23 = 543.94/x
3. Step 3: Cross multiply
   2,004.88x = 3,007.23 × 543.94
4. Step 4: Simplify right side
   2,004.88x = 1,635,752.69
5. Step 5: Solve for x
   x = 1,635,752.69/2,004.88
6. Step 6: Final answer
   x = 815.89