Finding the Fourth Proportional to 1,802.59, 2,487.51 and 1,016.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.59 : 2,487.51 = 1,016.62 : x
2. Step 2: Convert to fraction form
   1,802.59/2,487.51 = 1,016.62/x
3. Step 3: Cross multiply
   1,802.59x = 2,487.51 × 1,016.62
4. Step 4: Simplify right side
   1,802.59x = 2,528,852.42
5. Step 5: Solve for x
   x = 2,528,852.42/1,802.59
6. Step 6: Final answer
   x = 1,402.90