Finding the Fourth Proportional to 1,802.66, 2,487.71 and 1,103.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.66 : 2,487.71 = 1,103.63 : x
2. Step 2: Convert to fraction form
   1,802.66/2,487.71 = 1,103.63/x
3. Step 3: Cross multiply
   1,802.66x = 2,487.71 × 1,103.63
4. Step 4: Simplify right side
   1,802.66x = 2,745,501.71
5. Step 5: Solve for x
   x = 2,745,501.71/1,802.66
6. Step 6: Final answer
   x = 1,523.03