Finding the Fourth Proportional to 1,987.83, 2,743.14 and 1,103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987.83 : 2,743.14 = 1,103.59 : x
2. Step 2: Convert to fraction form
   1,987.83/2,743.14 = 1,103.59/x
3. Step 3: Cross multiply
   1,987.83x = 2,743.14 × 1,103.59
4. Step 4: Simplify right side
   1,987.83x = 3,027,309.44
5. Step 5: Solve for x
   x = 3,027,309.44/1,987.83
6. Step 6: Final answer
   x = 1,522.92