Finding the Fourth Proportional to 1,802.27, 2,487.39 and 1,016.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.27 : 2,487.39 = 1,016.39 : x
2. Step 2: Convert to fraction form
   1,802.27/2,487.39 = 1,016.39/x
3. Step 3: Cross multiply
   1,802.27x = 2,487.39 × 1,016.39
4. Step 4: Simplify right side
   1,802.27x = 2,528,158.32
5. Step 5: Solve for x
   x = 2,528,158.32/1,802.27
6. Step 6: Final answer
   x = 1,402.76