Finding the Fourth Proportional to 1,802.47, 2,487.30 and 1,016.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.47 : 2,487.30 = 1,016.47 : x
2. Step 2: Convert to fraction form
   1,802.47/2,487.30 = 1,016.47/x
3. Step 3: Cross multiply
   1,802.47x = 2,487.30 × 1,016.47
4. Step 4: Simplify right side
   1,802.47x = 2,528,253.39
5. Step 5: Solve for x
   x = 2,528,253.39/1,802.47
6. Step 6: Final answer
   x = 1,402.66