Finding the Fourth Proportional to 2,387.61, 3,582.27 and 1,071.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.61 : 3,582.27 = 1,071.27 : x
2. Step 2: Convert to fraction form
   2,387.61/3,582.27 = 1,071.27/x
3. Step 3: Cross multiply
   2,387.61x = 3,582.27 × 1,071.27
4. Step 4: Simplify right side
   2,387.61x = 3,837,578.38
5. Step 5: Solve for x
   x = 3,837,578.38/2,387.61
6. Step 6: Final answer
   x = 1,607.29