Finding the Fourth Proportional to 1,802.37, 2,487.30 and 1,016.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.37 : 2,487.30 = 1,016.42 : x
2. Step 2: Convert to fraction form
   1,802.37/2,487.30 = 1,016.42/x
3. Step 3: Cross multiply
   1,802.37x = 2,487.30 × 1,016.42
4. Step 4: Simplify right side
   1,802.37x = 2,528,141.47
5. Step 5: Solve for x
   x = 2,528,141.47/1,802.37
6. Step 6: Final answer
   x = 1,402.68