Finding the Fourth Proportional to 1,802.60, 2,487.59 and 1,016.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.60 : 2,487.59 = 1,016.65 : x
2. Step 2: Convert to fraction form
   1,802.60/2,487.59 = 1,016.65/x
3. Step 3: Cross multiply
   1,802.60x = 2,487.59 × 1,016.65
4. Step 4: Simplify right side
   1,802.60x = 2,529,015.93
5. Step 5: Solve for x
   x = 2,529,015.93/1,802.60
6. Step 6: Final answer
   x = 1,402.98