Finding the Fourth Proportional to 1,802.77, 2,487.76 and 1,016.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.77 : 2,487.76 = 1,016.89 : x
2. Step 2: Convert to fraction form
   1,802.77/2,487.76 = 1,016.89/x
3. Step 3: Cross multiply
   1,802.77x = 2,487.76 × 1,016.89
4. Step 4: Simplify right side
   1,802.77x = 2,529,778.27
5. Step 5: Solve for x
   x = 2,529,778.27/1,802.77
6. Step 6: Final answer
   x = 1,403.27