Finding the Fourth Proportional to 3,872.00, 5,808.65 and 1,791.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.00 : 5,808.65 = 1,791.15 : x
2. Step 2: Convert to fraction form
   3,872.00/5,808.65 = 1,791.15/x
3. Step 3: Cross multiply
   3,872.00x = 5,808.65 × 1,791.15
4. Step 4: Simplify right side
   3,872.00x = 10,404,154.49
5. Step 5: Solve for x
   x = 10,404,154.49/3,872.00
6. Step 6: Final answer
   x = 2,687.03