Finding the Fourth Proportional to 1,802.72, 2,487.78 and 1,104.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.72 : 2,487.78 = 1,104.09 : x
2. Step 2: Convert to fraction form
   1,802.72/2,487.78 = 1,104.09/x
3. Step 3: Cross multiply
   1,802.72x = 2,487.78 × 1,104.09
4. Step 4: Simplify right side
   1,802.72x = 2,746,733.02
5. Step 5: Solve for x
   x = 2,746,733.02/1,802.72
6. Step 6: Final answer
   x = 1,523.66