Finding the Fourth Proportional to 2,002.72, 3,004 and 541.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.72 : 3,004 = 541.91 : x
2. Step 2: Convert to fraction form
   2,002.72/3,004 = 541.91/x
3. Step 3: Cross multiply
   2,002.72x = 3,004 × 541.91
4. Step 4: Simplify right side
   2,002.72x = 1,627,882.62
5. Step 5: Solve for x
   x = 1,627,882.62/2,002.72
6. Step 6: Final answer
   x = 812.84