Finding the Fourth Proportional to 1,802.77, 2,487.86 and 1,104.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.77 : 2,487.86 = 1,104.55 : x
2. Step 2: Convert to fraction form
   1,802.77/2,487.86 = 1,104.55/x
3. Step 3: Cross multiply
   1,802.77x = 2,487.86 × 1,104.55
4. Step 4: Simplify right side
   1,802.77x = 2,747,965.76
5. Step 5: Solve for x
   x = 2,747,965.76/1,802.77
6. Step 6: Final answer
   x = 1,524.30