Finding the Fourth Proportional to 3,820.47, 5,728.82 and 1,354.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.47 : 5,728.82 = 1,354.92 : x
2. Step 2: Convert to fraction form
   3,820.47/5,728.82 = 1,354.92/x
3. Step 3: Cross multiply
   3,820.47x = 5,728.82 × 1,354.92
4. Step 4: Simplify right side
   3,820.47x = 7,762,086.02
5. Step 5: Solve for x
   x = 7,762,086.02/3,820.47
6. Step 6: Final answer
   x = 2,031.71