Finding the Fourth Proportional to 2,007.94, 3,011.91 and 547.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.94 : 3,011.91 = 547.31 : x
2. Step 2: Convert to fraction form
   2,007.94/3,011.91 = 547.31/x
3. Step 3: Cross multiply
   2,007.94x = 3,011.91 × 547.31
4. Step 4: Simplify right side
   2,007.94x = 1,648,448.46
5. Step 5: Solve for x
   x = 1,648,448.46/2,007.94
6. Step 6: Final answer
   x = 820.97