Finding the Fourth Proportional to 3,647.69, 5,471.72 and 1,182.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.69 : 5,471.72 = 1,182.71 : x
2. Step 2: Convert to fraction form
   3,647.69/5,471.72 = 1,182.71/x
3. Step 3: Cross multiply
   3,647.69x = 5,471.72 × 1,182.71
4. Step 4: Simplify right side
   3,647.69x = 6,471,424.69
5. Step 5: Solve for x
   x = 6,471,424.69/3,647.69
6. Step 6: Final answer
   x = 1,774.12