Finding the Fourth Proportional to 1,987.76, 2,743.04 and 1,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987.76 : 2,743.04 = 1,103.52 : x
2. Step 2: Convert to fraction form
   1,987.76/2,743.04 = 1,103.52/x
3. Step 3: Cross multiply
   1,987.76x = 2,743.04 × 1,103.52
4. Step 4: Simplify right side
   1,987.76x = 3,026,999.50
5. Step 5: Solve for x
   x = 3,026,999.50/1,987.76
6. Step 6: Final answer
   x = 1,522.82