Finding the Fourth Proportional to 2,387.62, 3,582.29 and 1,071.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.62 : 3,582.29 = 1,071.27 : x
2. Step 2: Convert to fraction form
   2,387.62/3,582.29 = 1,071.27/x
3. Step 3: Cross multiply
   2,387.62x = 3,582.29 × 1,071.27
4. Step 4: Simplify right side
   2,387.62x = 3,837,602.49
5. Step 5: Solve for x
   x = 3,837,602.49/2,387.62
6. Step 6: Final answer
   x = 1,607.29